å
¬å¹³ãã®ä»£åè©ã§ãããã³ã€ã³ãã¹ã§ã®ã³ã€ã³ã«
ãšã¬ã¯ãããã¯ã¹ã®æå
ç«¯ã®æè¡ãçšããŠãéå»ã«åºãã
衚ãè£ã®åæ°ãèšæ¶ãããŠããæ©èœãå
èµããæ¬¡ã«åºã衚
è£ããã®éå»ã®åæ°ã«æ¯äŸããé »åºŠã§ã²ã£ããè¿ãæ§é ã
å·§ã¿ã«çµã¿èŸŒãŸããã³ã€ã³ãéçºããã
äŸãã°
1åç®ã®ãã¹ã§ã¯è¡šã
2åç®ã®ãã¹ã§ã¯è£ãåºããã®ç¹æ®ã³ã€ã³ã¯
3åç®ã衚ãã§ã確çã¯éå»2åã®å
ã§è¡šã¯1ååºãŠããã®ã§1/2ã®ç¢ºçã§èµ·ãã
åãã
1åç®ã®ãã¹ã§ã¯è¡šã
2åç®ã®ãã¹ã§ã¯è£ã§
3åç®ãè£ãã§ã確çã¯éå»2åã®å
ã§è£ã¯1ååºãŠããã®ã§1/2ã®ç¢ºçã§èµ·ããã
ãŸã
1åç®;衚ã
2åç®;è£ã
3åç®;衚ãã§ãã³ã€ã³ã¯
4åç®ã衚ã«ãªã確çã¯2/3(éå»ã®3åäž2åã衚ã«ãªã£ãŠãããã)
ãŸã1ïœ3åãŸã§ãåãç¶æ
ã®ãšã
4åç®ãè£ã«ãªã確çã¯1/3(éå»ã®3åäž1åãè£ã«ãªã£ãŠãããã)
ã§ã³ã€ã³ãã²ã£ããè¿ããšããã
ããŠãã®ç¹æ®ã³ã€ã³ã䜿ã
1åç®;衚ã
2åç®;è£ã
ã§ããšã
3åç®ä»¥éã³ã€ã³ãã¹ã10åãã£ããã®ãšããã
ãã®ãšã3å以éã®ã³ã€ã³ã®è¡šãè£ãåºãããããã®åæ°åèšã
(1)(衚,è£)=(4,6)ã§ãã確çP1
(2)(衚,è£)=(7,3)ã§ãã確çP2
ãããããæ±ããŠã»ããã
No.1733GAI2024幎1æ29æ¥ 14:09
ãã®ã³ã€ã³ã¯ 1 åç®ã«è¡šãåºãã以åŸè¡šããåºãŸãããã1 åç®ãè£ãªã以åŸè£ããåºãŸããã
ãã£ãŠãã1 åç®ã衚ã2 åç®ãè£ãšããããšãããããèµ·ããåŸãªãããçãã§ãããã
No.1734DD++2024幎1æ29æ¥ 18:50
1åç®ã ããèãããšããããããšã«ãªããŸããã
ããã§ã¯å
šãé¢çœãããªãã®ã§ã1,2åç®ãåææ¡ä»¶ãšããŠããã
3åç®ä»¥éããã®ç¹æ®ã³ã€ã³ã䜿ããããã®ãšèããŠãããããã®ã§ããã»ã»ã»
No.1735GAI2024幎1æ29æ¥ 19:54
ãããŸã§ã«è¡šã m åãè£ã n ååºãŠããå Žåã衚ãšè£ã (m+1):(n+1) ã®ç¢ºçã§åºãã³ã€ã³ãäœã®åæããªãã« 10 åæãã
ãšæãã°ããã§ããïŒ
ãããªããä»»æã® 0âŠkâŠ10 ã«å¯Ÿãã衚ã k ååºã確ç㯠1/11 ã§ãã
以ååæ§ã®åé¡ãããã®æ²ç€ºæ¿ïŒteacup ã ã£ãæä»£ïŒã«ããªã¢ã®å£ºã®é¢é£åé¡ãšããŠè§£ããããšããã£ãã¯ãã§ããâŠâŠã©ã®èšäºã ã£ãããªïŒ
No.1736DD++2024幎1æ30æ¥ 06:02
èŠåœãããªãã®ã§ã以åãšåããããªå
容ã«ãªããŸãããèãæ¹ãæžããŠãããŸãã
â0â ãã â10â ãŸã§ã®æ°åãæžãã 11 æã«ãŒããçšæããæåã« â0â ã ããããããšããŠæã«æã¡ãŸãã
x åç®ã«ã³ã€ã³ãæãããšããã³ã€ã³ã衚ã§ããã° â0â ã®ã«ãŒãããäžãã³ã€ã³ãè£ã§ããã° â0â ã®ã«ãŒãããäžã®ã©ããããç¡äœçºã« 1 ç®æãéžãã§ãâxâ ã®ã«ãŒãããããã«è¿œå ããŸãã
ããã¯çµå± x åç®ã« âxâ ã®ã«ãŒãããããã® x+1 ç®æããç¡äœçºã« 1 ç®æéžãã§è¿œå ããè¡çºãäºåºŠæéã§ãã£ãŠããã ããªã®ã§ã
æçµçã«ã§ãã 11 æã®ãããã®äžŠã³é ã¯ãããã 11! éãã®äžŠã³é ãåæ§ã«ç¢ºãããããªã£ãŠããŸãã
ããŠãã³ã€ã³ã®çµæã§è¡šã k ååºã確çã¯ãæçµçã«ãããã§ â0â ãäžãã k+1 æç®ã«ãã確çã§ãã
ãã£ãŠããã®ç¢ºç㯠k ã®å€ã«é¢ããã 1/11 ã§ãã
No.1737DD++2024幎1æ30æ¥ 06:28
DD++ãããæ¢ããŠããããŒãžã¯ãã確çãïŒmathbun/mathbun1129ïŒã§ããïŒ
No.1738管çè
2024幎1æ30æ¥ 09:43 ããããã§ããã
ãŸãåœæèªåã®äžã§ãæŽçããããªããŸãŸè§£çãæžãããã§ãããããããæžãçŽãããšããæå³ã§ã¯ä»åãŸãæžãã䟡å€ã¯ãã£ãããªãšæããŸãã
No.1739DD++2024幎1æ30æ¥ 17:06
以åã«ç¥äººããæãã£ãããšãè¿·ããŸããããã®ã¿ã€ãã³ã°ã§ããã«ã¶ãããããæããŸãã
ãããªã¢ã®å£ºã
å£ºã«æ¿ãã°ã¬ãŒã®è²ã®çã a åïŒèãã°ã¬ãŒã®çã b åå
¥ã£ãŠãããm = a+b ãšããããã®äžããçã 1 ã€ç¡äœçºã«åãåºãïŒéžãã çãå£ºã«æ»ããäžã§éžãã çãšåãè²ã®çã 1 ã€å£ºã«å ããã
ãã®è©Šè¡ã n åç¹°ãè¿ããn åç®ã«æ¿ãã°ã¬ãŒã®è²ã®çãéžã°ãã確ç Pn 㯠n ã«äŸåãã
Pn = a/m
ã§æ±ããããã
âŠâŠ8<âŠâŠ8<âŠâŠ8<âŠâŠ8<âŠâŠ
äžèšãçŽæçã«çè§£ããããã«ä»¥äžã®è£é¡ãèããã
ãè£é¡ïŒã
壺㫠m åã®çãå
¥ã£ãŠãããçã®è²ã¯äºãã«ããç°ãªãã(ããªãã¡ m è²ã®çã壺ã«ãã)
1 ⊠k ⊠m ãªãæŽæ° k ãèããŠããã
k çªç®ã®çã®è²ã C[k] ãšããã
壺ã®äžããçã 1 ã€ç¡äœçºã«åãåºãïŒéžãã çãå£ºã«æ»ããäžã§éžãã çãšåãè²ã®çã 1 ã€å£ºã«å ããã
ãã®è©Šè¡ã n åç¹°ãè¿ããn åç®ã« C[k] ã®è²ã®çãéžã°ãã確ç Pn[k] 㯠n ã k ã«äŸåãã
Pn[k] = 1/m
ã§æ±ããããã
蚌æ
æããã
âµ m è²ã®çããããããããã®è²ã«ã€ããŠå¯Ÿç§°ãªåé¡èšå®ãªã®ã§âŠâŠãããããåæ§ã«ç¢ºãããããšã)
âŠâŠ8<âŠâŠ8<âŠâŠ8<âŠâŠ8<âŠâŠ
è£é¡ïŒãããä»åã®æçš¿ã®åé ã«ãããããªã¢ã®å£ºã®åé¡ã«ã€ããŠèããã
å®å®äººããã£ãŠããã圌ãã¯å
ã®äžåè²ãèªèãããçœè²ãé»è²ãããã³ã«çœããé»ãŸã§ã®ã°ã©ããŒã·ã§ã³ã§åçš®ã®ç°è²ãèªèããã
è£é¡ïŒã«ãããŠã
C[1] ãã C[a] ã®è²ã® a åã®çã®è²ãå®å®äººã¯æ¿ãã°ã¬ãŒã®è²ãšèªèããC[a+1] ãã C[a+b] ã®è²ã® b åã®çã®è²ãèãã°ã¬ãŒã®è²ãšèªèããã
壺ã®äžããçã 1 ã€ç¡äœçºã«åãåºãïŒéžãã çãå£ºã«æ»ããäžã§éžãã çãšåãè²ã®çã 1 ã€å£ºã«å ããã
ãã®è©Šè¡ã n åç¹°ãè¿ããn åç®ã« æ¿ãã°ã¬ãŒã®è²ã®çãéžã°ãã確ç Pn 㯠n ã«äŸåãã
Pn = a/m
ã§æ±ããããã
蚌æã
Pn = Pn[1]+Pn[2]+ âŠâŠ +Pn[a] = a*(1/m) = a/m
(è£é¡ïŒã䜿ã£ãã)
âŠâŠ8<âŠâŠ8<âŠâŠ8<âŠâŠ8<âŠâŠ
確çã«ã€ããŠã®æŒžååŒãæ°åŠçåž°çŽæ³ã
åé¿ããŠããã®ã§ãã»ãŒèšç®ãªãã«çµè«ãåŸãããŸãã
äžæã«èª¬æããã°å°åŠçã«ããããããïŒ
No.1740Dengan kesaktian Indukmu2024幎1æ31æ¥ 11:00
1ã€ã®ã¹ã¬ããã®è¿ä¿¡æ°ãäžéã«éãããããç¶ãçšã®ã¹ã¬ãããäœããŸãã
ãªã€ãã
ããããšãããããŸãã
çŽè§äºç蟺äžè§åœ¢ãäœãè§£çã®æ¹ãé¢çœãè§£çã«ã§ãããšæããŸããã
ãããããªã€ããã®æå³ããŠããè§£ç㯠No.1717 ã«æžãããã®ã§ã¯ãªããæã£ãŠããŸãã
ãããã§ãããïŒ
No.1724DD++2024幎1æ26æ¥ 22:38
ã¹ã¬ããäœæããããšãããããŸãïŒ
ãã¿ãŸãããèŠäºã«èŠèœãšããŠãããŸãããæ³å®è§£çãæ°ããã¹ã¬ããã«æžããŠãããå
ã«äœã£ãŠããã ããã®ã§ããã¡ãã§ç¶ããŸãã
å®ã¯æ³å®è§£çãšã¯éããŸããããããŸãæ±ããããå³åœ¢ã«å€åœ¢ããŠããããè§£ãæ¹ã§ããïŒãã€ã¯ãã®æåã®â³ACDãå転ããæ¹æ³ã§ãäºç蟺äžè§åœ¢ã«æã£ãŠããæ¹æ³ã¯ããã€ãããããã§ããã
ç°¡ç¥ãªç޹ä»ãšãªããŸãããäŸãã°å³ã®ããã«å€åœ¢ããŠãè§£ãããã§ããïŒæ¬è³ªã¯äžç·ã§ããïŒïŒ
No.1726ãªã€2024幎1æ26æ¥ 22:52
æ³å®è§£æ³ã¯ãã®ãããªãã®ã§ãããã玹ä»ãããŠããã ããŸãm(_ _)m
ãåé¡ã
çèå°åœ¢ABCDããããAD//BCã§ãã
â ABCïŒâ DCBïŒ45°
â ACBïŒ15°
â ACDïŒ30°
ADïŒ10cm
åè§åœ¢ABCDã®é¢ç©ã¯ïŒ
ãæ³å®è§£æ³ãïŒå°ãçç¥ããŠæžããŸãïŒ
åè§åœ¢ABCDã«å€æ¥ããåã®äžå¿ãOãšçœ®ãïŒåããããããšã®è°è«ã¯å²æïŒ
äžå¿è§ã®å®çãããâ AOBïŒ15°Ã2ïŒ30°ãåæ§ã«â DOCïŒ30°ãâ AODïŒ30°Ã2ïŒ60°ã
ãã£ãŠãâ³AOBãšâ³DOCã¯30°ãé è§ãšããäºç蟺äžè§åœ¢ãâ³AODã¯æ£äžè§åœ¢ã
ããã§ãâ³AODãšâ³BOCãããããçãäžã®çžŠç·ã§ååã«ãããšãããããåã倧ããã®30°ã60°ã90°ã®çŽè§äžè§åœ¢ãã§ãããããâ³AODãšâ³BOCã®é¢ç©ã¯çãããïŒå³å¯ãªè°è«ã¯çç¥ïŒ
ããã«ãããåè§åœ¢ABCDã®é¢ç©ã¯â³AOBãšâ³DOCã®é¢ç©ã®åèšãšçãããªããïŒäºè§åœ¢ABOCDã®é¢ç©ããâ³AODã®é¢ç©ãåŒãããã®ãšäºè§åœ¢ABOCDã®é¢ç©ããâ³BOCã®é¢ç©ãåŒãããã®ãçããããïŒ
â³AOBãšâ³DOCã¯ããªãã¿ã®é¢ç©ãæ±ããããäºç蟺äžè§åœ¢ïŒ30°ã75°ã75°ïŒã§ããããã10cmÃ5cm÷2Ã2ïŒ50cm^2ïŒçãïŒ
éã«äœã£ãå³ãèŒããŠãããŸãæ±
![]()
No.1727ãªã€2024幎1æ26æ¥ 22:55
DD++ããã®ãã®è§£æ³ã¯ãããŸã®æš¡ç¯è§£çãæãã€ããŸã§ã¯æš¡ç¯è§£çãšããŠãããŸãããäœåæã«ã¯ããããåé¡ãäœã£ãã®ã§ãç§ãšããŠã¯æå³ãçµãã§ãã ãã£ããšå€§å€ããããæã£ãŠãããŸãã
ãã®ä»ã®çæ§ããæ§ã
ã«è§£ããŠãã ããããããšãããããŸããïŒ
> "ãªã€"ãããæžãããŸãã:
> ã¹ã¬ããäœæããããšãããããŸãïŒ
> ãã¿ãŸãããèŠäºã«èŠèœãšããŠãããŸãããæ³å®è§£çãæ°ããã¹ã¬ããã«æžããŠãããå
ã«äœã£ãŠããã ããã®ã§ããã¡ãã§ç¶ããŸãã
> å®ã¯æ³å®è§£çãšã¯éããŸããããããŸãæ±ããããå³åœ¢ã«å€åœ¢ããŠããããè§£ãæ¹ã§ããïŒãã€ã¯ãã®æåã®â³ACDãå転ããæ¹æ³ã§ãäºç蟺äžè§åœ¢ã«æã£ãŠããæ¹æ³ã¯ããã€ãããããã§ããã
> ç°¡ç¥ãªç޹ä»ãšãªããŸãããäŸãã°å³ã®ããã«å€åœ¢ããŠãè§£ãããã§ããïŒæ¬è³ªã¯äžç·ã§ããïŒïŒ
No.1728ãªã€2024幎1æ26æ¥ 23:08
ãªã€ããã®æ¹æ³ã§ã¯ãé¢ç©ã¯æ±ãŸããªãïŒçãããïŒïŒâïŒãšãªãã®ã§ã¯ïŒ
No.1729管çè
2024幎1æ27æ¥ 01:12 > "管çè
"ãããæžãããŸãã:
> ãªã€ããã®æ¹æ³ã§ã¯ãé¢ç©ã¯æ±ãŸããªãïŒçãããïŒïŒâïŒãšãªãã®ã§ã¯ïŒ
ã¡ãã»ãŒãžããããšãããããŸãã倧å€ç³ãèš³ããããŸããããâ³AOBãšâ³DOCããšè¡šèšãã¹ãéšåã2ãæãâ³AODãšâ³BOCããšèª€æ€ããŠããããã§ãããã®ããã§ããããã»ã»ã»ïŒïŒå
ã®æçš¿ã¯ä¿®æ£ããŸããïŒ
ãå
ã
ããã«ãããåè§åœ¢ABCDã®é¢ç©ã¯â³AODãšâ³BOCã®é¢ç©ã®åèšãšçãããªããïŒäºè§åœ¢ABOCDã®é¢ç©ããâ³AODã®é¢ç©ãåŒãããã®ãšäºè§åœ¢ABOCDã®é¢ç©ããâ³BOCã®é¢ç©ãåŒãããã®ãçããããïŒ
â³AODãšâ³BOCã¯ããªãã¿ã®é¢ç©ãæ±ããããäºç蟺äžè§åœ¢ã§ããããã10cmÃ5cm÷2Ã2ïŒ50cm^2ïŒçãïŒ
ãä¿®æ£åŸã
ããã«ãããåè§åœ¢ABCDã®é¢ç©ã¯â³AOBãšâ³DOCã®é¢ç©ã®åèšãšçãããªããïŒäºè§åœ¢ABOCDã®é¢ç©ããâ³AODã®é¢ç©ãåŒãããã®ãšäºè§åœ¢ABOCDã®é¢ç©ããâ³BOCã®é¢ç©ãåŒãããã®ãçããããïŒ
â³AOBãšâ³DOCã¯ããªãã¿ã®é¢ç©ãæ±ããããäºç蟺äžè§åœ¢ïŒ30°ã75°ã75°ïŒã§ããããã10cmÃ5cm÷2Ã2ïŒ50cm^2ïŒçãïŒ
No.1730ãªã€2024幎1æ27æ¥ 01:54
ç§ã¯éã«å€æ¥åãäœ¿ãæ¹ãå
ã«æãã€ããŸããã
ãã ããæµç³ã«äžå¿è§ã®å®çã¯ç®æ°å€ãïŒããšæã£ãŠåŽäžãã¡ãã£ããã§ãããã
ã©ãããäžå¿è§ãã¢ãªã¿ãããªã®ã§ããããç§ã®ç¬¬äžã®è§£çãšããŠæçš¿ããŸãã
åè§åœ¢ ABCD ã®å€æ¥åãæžããäžå¿ã O ãšããŸãã
äžå¿è§ã®å®çãã â AOD = 60° ãªã®ã§ â³AOD ã¯æ£äžè§åœ¢ã§ããã®å€æ¥åã®ååŸã¯ 10 cm ã§ãã
ãŸããäžå¿è§ã®å®çãããâ AOC = 90°, â COD = 30° ã§ãã
ããŠãããã§ â³CAB ããç¹ O ãäžå¿ã« 90° å転移åããŠç¹ C ãç¹ A ã«éããâ³AEF ãšããŸãã
å°åœ¢ã®é¢ç©ã¯ â³ACD + â³AEF ã§æ±ãŸããŸãã
ãããŠãããçç©å€åœ¢ïŒâ»ïŒã㊠â³OCD + â³OEF ãšããŸãã
ããã 2 ã€ã¯ååãªäºç蟺äžè§åœ¢ã§ããã¯ãèšããŸã§ããªãæ¹æ³ã§ 1 〠25 cm^2 ãšåºãã®ã§ãå
ã®å°åœ¢ã®é¢ç©ã¯åã® 50 cm^2 ã§ãã
â» 2 ã€ã®äžè§åœ¢ã«ã€ããŠãåºèŸºå士ãå¹³è¡ã§é·ããçãããé ç¹ãåäžç¹ãã€ãããåºèŸºãå»¶é·ããå¹³è¡ç·ã®éã«ããå Žåããã®å
±éé ç¹ãå¹³è¡ç·ã®éã®ã©ããžç§»åããŠã 2 ã€ã®äžè§åœ¢ã®é¢ç©ã®åã¯äžå®
No.1731DD++2024幎1æ27æ¥ 02:15
>æµç³ã«äžå¿è§ã®å®çã¯ç®æ°å€ãïŒ
DD++ããããææããããšãããããŸãããããã«äžå¿è§ã®å®çã¯ç®æ°å€ã¿ããã§ããããã£ãã説æãªãã«äœ¿ã£ãŠããŸã£ãŠãããŸããç³ãèš³ããããŸããããã
åã䜿ããã«ãããšã©ãããŠãé説çãªææ³ã«ãªã£ãŠããŸãããã§ããã
é«ãã®åèšãã¡ããã©äºç蟺äžè§åœ¢2ã€åã«ãªãçºæ³ã¯æãã€ããŸããã§ãããé¢çœãè§£æ³ãããããšãããããŸãïŒ
No.1732ãªã€2024幎1æ27æ¥ 02:57
ãã®ãããä¹
ãã¶ãã«æ¥ãŠã¿ãŸããã
çŸããå³åœ¢åé¡ã玹ä»ããã®ã§ããã£ããè§£ããŠã¿ãŠãã ããã
ç®æ°ãšããŠè§£ããŸãã
çèå°åœ¢ABCDããããAD//BCã§ãã
â ABCïŒâ DCBïŒ45°
â ACBïŒ15°
â ACDïŒ30°
ADïŒ10cm
åè§åœ¢ABCDã®é¢ç©ã¯ïŒ
No.1691ãªã€2024幎1æ22æ¥ 00:51
é¢ç©ïŒïŒïŒãã§ããïŒ
No.1692管çè
2024幎1æ22æ¥ 07:55
å€åãæš¡ç¯è§£çãããªããšæããŸããã
çèå°åœ¢ïŒ¡ïŒ¢ïŒ£ïŒ€ãïŒã€äœ¿ã£ãŠïŒ¢ïŒ£ãïŒèŸºãšããæ£æ¹åœ¢ãšïŒ¡ïŒ€ãïŒèŸºãšããæ£æ¹åœ¢ãäœããŸãã
å€åŽã®æ£æ¹åœ¢ãåæèšåãã«ïŒ¢ïŒ£ïŒ¥ïŒŠïŒå
åŽã®æ£æ¹åœ¢ãåæèšåãã«ïŒ¡ïŒ€ïŒ§ïŒšãšããŸãããã
ããã§ãããã«åç·ãäžãããã®è¶³ããšãããšãâ³ïŒ€ïŒ©ïŒ£ã¯çŽè§äºç蟺äžè§åœ¢ãã蟺ã®å€åŽã«ç§»åããã
ç¹ïŒ©ã®è¡ãå
ããšãããšãåè§åœ¢ïŒªïŒ¢ïŒ©ïŒ€ã¯é·æ¹åœ¢ã«ãªããŸãã
ãŸããã®å»¶é·ãšïŒŠïŒ¥ãšã®äº€ç¹ãïŒïŒšïŒ§ã®å»¶é·ãšïŒ¥ïŒ£ãšã®äº€ç¹ããšãããšãåè§åœ¢ïŒŠïŒªïŒ¡ïŒ«ïŒåè§åœ¢ïŒ«ïŒšïŒ¬ïŒ¥ïŒåè§åœ¢ïŒ§ïŒ©ïŒ£ïŒ¬ã¯çãé·æ¹åœ¢ïŒªïŒ¢ïŒ©ïŒ€ãšååãªé·æ¹åœ¢ã«ãªãã察称æ§ããåè§åœ¢ïŒ«ïŒªïŒ©ïŒ¬ã¯æ£æ¹åœ¢ã«ãªããŸãã
ãšããã§ãã®å»¶é·ãšïŒ£ïŒ€ã®å»¶é·ãšã®äº€ç¹ããšãããšãïŒ¯ã¯æ£æ¹åœ¢ïŒ¢ïŒ£ïŒ¥ïŒŠã®äžå¿ã§â ïŒïŒïŒÂ°
ãã£ãŠãâ ïŒïŒïŒÂ°ïŒâ ïŒïŒïŒÂ°ããâ³ïŒ¯ïŒ¡ïŒ£ã¯ïŒïŒÂ°ïŒïŒïŒÂ°ïŒïŒïŒÂ°ã®çŽè§äžè§å®èŠåã
ãã£ãŠãïŒïŒ¡ïŒ£ïŒïŒïŒïŒããã£ãŠãïŒâ¡ïœïœãšçœ®ããšãïŒïŒÃâ¡ïœïœ
ãŸããïŒïŒ¡ïŒ£ãããïŒïŒÃâ¡ïœïœ
ãšããã§ãæ±ãããã®ã¯ãå°åœ¢ïŒ¡ïŒ¢ïŒ£ïŒ€ïŒé·æ¹åœ¢ïŒªïŒ¢ïŒ©ïŒ€ïŒâ³ïŒªïŒ€ïŒ©ÃïŒããã
(æ£æ¹åœ¢ïŒ«ïŒªïŒ©ïŒ¬ïŒæ£æ¹åœ¢ïŒ¡ïŒ€ïŒ§ïŒš)÷ïŒÃïŒââââããæ±ããã°è¯ãã
ãã£ãŠã{(ïŒÃâ¡)Ã(ïŒÃâ¡)ïŒïŒïŒÃïŒïŒ}÷ïŒÃïŒïŒ(ïŒÃâ¡Ãâ¡ïŒïŒïŒïŒ)÷ïŒââââ
ãŸããâ³ïŒ¯ïŒ¡ïŒ€ïŒâ¡Ãâ¡Ã·ïŒïŒâ³ïŒ¯ïŒ¡ïŒ€ïŒïŒïŒÃïŒïŒÃ·ïŒïŒïŒïŒïœïœ^2ãããâ¡Ãâ¡ïŒïŒïŒïœïœ^2ââââ¡
â¡ãâ ã«ä»£å
¥ãããšãçãã¯ã(ïŒÃïŒïŒïŒïŒïŒïŒ)÷ïŒïŒïŒïŒïœïœ^2
æš¡ç¯è§£çã¯ãšã¬ã¬ã³ããªã®ã§ãããããæš¡ç¯è§£çã«æåŸ
ããŠããŸãã
No.1693å£ããæ2024幎1æ22æ¥ 10:22
çããããããšãããããŸããçãã¯50cm^2ã§åã£ãŠãããŸãã
å£ããæããã®è§£æ³ã¯ç®æ°ã§æ±ãŸãéšåãšæ±ãŸããªãéšåãå¯ãåããŠãããããªæããªã®ã§ãããæå³ã§æ¬è³ªçãªè§£ãæ¹ã§ããã»ã»ã»ïŒ
No.1694ãªã€2024幎1æ22æ¥ 18:37
ç®æ°çè§£æ³ã¯ããã€ãæãã€ããŸããããä»ã®ãšãããã®äžã§äžçªç¶ºéºãªã®ãæçš¿ããŸãã
æå¿ãçã«ã¯ãã£ãšç¶ºéºãªè§£æ³ãç ã£ãŠãããªæããããŸããã
蟺 BC äžã« â DAE = 30° ãšãªãããã«ç¹ E ããšããšãEC = AE = 2*å°åœ¢ã®é«ã ã§ããããšãããç¹ E ã¯å®ã¯ BE = 10 cm ãšãªãç¹ã«ãªã£ãŠããŸãã
ãã£ãŠãâ³ABE ãšâ³ADC ã®é¢ç©ã¯çããããšãããããŸãã
ãããã£ãŠãå°åœ¢ ABCD ã®é¢ç©ã¯ãâ³ABE 2 ã€ãšâ³AEC ã®é¢ç©ã®åèšããåºãã°ããããšã«ãªããŸãã
ãšããã§ãããã 3 ã€ã®äžè§åœ¢ãäžŠã¹æ¿ããã°åºèŸºãšé«ãããšãã« 10 cm ã®çŽè§äºç蟺äžè§åœ¢ã«ãªããŸãã
ã€ãŸãããã®é¢ç©ã®åèšã¯ 10*10*(1/2) = 50 cm^2 ã§ãã
No.1700DD++2024幎1æ23æ¥ 13:39
DD++ããã®è§£æ³çŽ æŽãããã§ãããäžå¿ã解説ãããŠäžããã
ïŒèŸº BC äžã« â DAE = 30° ãšãªãããã«ç¹ E ããšããšãEC = AE = 2*å°åœ¢ã®é«ã ã§ããããšãããç¹ E ã¯å®ã¯ BE = 10 cm ãšãªãç¹ã«ãªã£ãŠããŸãã
â ïŒïŒïŒÂ°ïŒïŒïŒÂ°ïŒïŒïŒÂ°ïŒâ ïŒïŒïŒÂ°ããâ³ïŒ¥ïŒ¡ïŒ£ã¯åºè§ãïŒïŒÂ°ã®äºç蟺äžè§åœ¢ããã£ãŠãïŒïŒ£ïŒ¥
ãŸããããã«åç·ãäžãããã®è¶³ãïŒïŒ€ããã«åç·ãäžãããã®è¶³ããšãããšãâ³ïŒ¡ïŒ¥ïŒšã¯ïŒïŒÂ°ïŒïŒïŒÂ°ïŒïŒïŒÂ°ã®çŽè§äžè§å®èŠåãããïŒïŒ¡ïŒ¥ïŒïŒïŒïŒããã£ãŠãïŒïŒ£ïŒ¥ïŒïŒïŒïŒããã£ãŠãïŒïŒ£ïŒ¥ïŒïŒïŒïŒïŒâ ïŒïŒïŒÂ°ïŒïŒ€ïŒ©â¥ïŒ¥ïŒ£ããâ³ïŒ€ïŒ¥ïŒ£ã¯çŽè§äºç蟺äžè§åœ¢ã§ãããïŒå³å¯ã«ã¯ãâ³ïŒ€ïŒ©ïŒ£ãçŽè§äºç蟺äžè§åœ¢ããïŒïŒ£ïŒ©ã§ïŒ€ïŒ©ïŒïŒ£ïŒ¥ïŒïŒïŒïŒããïŒïŒ¥ïŒ©ããŸããâ ïŒïŒïŒÂ°ããâ³ïŒ€ïŒ©ïŒ¥ãçŽè§äºç蟺äžè§åœ¢ã ãããïŒ
ãã£ãŠãâ ïŒïŒïŒÂ°ïŒâ ïŒïŒïŒÂ°ãã//ããŸãã//ããåè§åœ¢ïŒ¡ïŒ¢ïŒ¥ïŒ€ã¯å¹³è¡å蟺圢ã§ããã
ãã£ãŠãïŒïŒ¡ïŒ€ïŒïŒïŒïœïœ
ïŒãã£ãŠãâ³ABE ãšâ³ADC ã®é¢ç©ã¯çããããšãããããŸãã
ãããã£ãŠãå°åœ¢ ABCD ã®é¢ç©ã¯ãâ³ABE 2 ã€ãšâ³AEC ã®é¢ç©ã®åèšããåºãã°ããããšã«ãªããŸãã
ãšããã§ãããã 3 ã€ã®äžè§åœ¢ãäžŠã¹æ¿ããã°åºèŸºãšé«ãããšãã« 10 cm ã®çŽè§äºç蟺äžè§åœ¢ã«ãªããŸãã
ããã«å¯ŸããŠåç·ãç«ãŠãã®å»¶é·ãšã®äº€ç¹ããšãããšâ³ïŒ¥ïŒ¢ïŒŠã¯çŽè§äºç蟺äžè§åœ¢ã§ãäžã«ïŒŠïŒ§ïŒïŒ¢ïŒ¡ãšãªãç¹ïŒ§ãåããšãâ³ïŒ¡ïŒ¢ïŒ¥ãšâ³ïŒ§ïŒŠïŒ¥ã¯ååããŸããé¯è§ããâ ïŒâ ïŒïŒïŒÂ°ïŒâ ïŒïŒïŒÂ°ãããâ ïŒïŒïŒÂ°ïŒïŒïŒÂ°ïŒïŒïŒÂ°ãã£ãŠã察称æ§ããâ³ïŒ¥ïŒ¡ïŒ§ã¯é è§ãïŒïŒÂ°ã®äºç蟺äžè§åœ¢ã«ãªããããã§ãâ³ïŒ¥ïŒ¡ïŒ£ã¯åºè§ãïŒïŒÂ°ã®äºç蟺äžè§åœ¢ããååã«åã£ãŠçµã¿çŽããšãâ³ïŒ¥ïŒ¡ïŒ§ã®æã«ãŽã£ãããšã¯ãŸãããã£ãŠãå°åœ¢ïŒ¡ïŒ¢ïŒ£ïŒ€ãâ³ïŒ¡ïŒ¢ïŒ¥ïŒâ³ïŒ£ïŒ¡ïŒ€ãšâ³ïŒ¥ïŒ¡ïŒ£ã«åããŠçç©å€åœ¢ãããšâ³ïŒ¥ïŒ¢ïŒŠãšçç©ã«ãªããâ³ïŒ¥ïŒ¢ïŒŠã¯ç蟺ãïŒïŒïœïœã®çŽè§äºç蟺äžè§åœ¢ãããïŒïŒÃïŒïŒÃ·ïŒïŒïŒïŒïœïœ^2
ãã£ãŠãçãã¯ãïŒïŒïœïœ^2
No.1701å£ããæ2024幎1æ23æ¥ 19:30
åŸåããªããè¬ã®è¿·èµ°ãå§ããŠãŸãã倧äžå€«ã§ããããïŒ
ãããã 3 ã€ã®äžè§åœ¢ãäžŠã¹æ¿ããã°åºèŸºãšé«ãããšãã« 10 cm ã®çŽè§äºç蟺äžè§åœ¢ã«ãªããŸããã
ã¯æåéãã®æäœã§ãããªããè¬ã®çç©å€åœ¢ã ã®ãããªãåæã ã®ã¯äžèŠã§ããã
No.1703DD++2024幎1æ24æ¥ 06:03
å ã¿ã«ãã蟺 BC äžã« â DAE = 30° ãšãªãããã«ç¹ E ããšãã代ããã«ãDããABãšå¹³è¡ãªçŽç·ãåŒããŠç¹Eãå®ããŠãåºæ¥ãŸãããããªãé¢åèãã§ããã
No.1704å£ããæ2024幎1æ24æ¥ 07:24
æ¬åœã«ã§ããŸããïŒ
AB//DE ãã â DAE = 30° ãå°ãããšã¯ããããäžå¯èœã ãããšç§ã¯æã£ãŠããŸããã
No.1705DD++2024幎1æ24æ¥ 10:39
ãããå¹³è¡å蟺圢ãäœã£ãåŸã«ïŒ¢ïŒ€ãïŒèŸºãšããæ£äžè§åœ¢ïŒŠïŒ¢ïŒ€ãé ç¹ïŒŠãã«é¢ããŠç¹ïŒ¡åŽã«äœãããšïŒ¢ïŒ€ã®äº€ç¹ããšããŠïŒŠïŒ§ãçµã¶ãšå·¥å€«æ¬¡ç¬¬ã§â ïŒïŒïŒïŒÂ°ãšæ±ãŸãã®ã§ãâ ïŒâ ïŒïŒïŒÂ°ãšæ±ãŸããŸãã
ãã ããäžã«ãæžããŸããããã¡ãã£ãšé¢åèãã®ã§å®æŠåãã§ã¯ãããŸããã
ïŒç®æ°çè§£æ³ã¯ããã€ãæãã€ããŸããããä»ã®ãšãããã®äžã§äžçªç¶ºéºãªã®ãæçš¿ããŸãã
æå¿ãçã«ã¯ãã£ãšç¶ºéºãªè§£æ³ãç ã£ãŠãããªæããããŸããã
åãã§ãããã
No.1706å£ããæ2024幎1æ24æ¥ 11:45
> AB//DE ãã â DAE = 30° ãå°ã
ãâ ABD=15°ãâ DBC=30°ãâ BCA=90°ãâ ACD=45°ã§ããåè§åœ¢ABCDã«ãããŠâ ADBãæ±ããã
ãšããã©ã³ã°ã¬ãŒã®åé¡ã«ãªããŸãã®ã§ãäœããã®ããŸãè§£æ³ã¯ãããšæããŸãã
ïŒç®æ°ã®ç¯å²ã§è§£ãããã©ããã¯ããããŸãããïŒ
ããŸããªã倩äžãçè§£æ³ã§ãããã±ã以äžã®ããã«ã¯ã§ããŸãã
äžå¿ãOã®åã«å
æ¥ããæ£åäºè§åœ¢ABCDEFGHIJKLã«ãããŠçŽç·BFãšçŽç·LHã®è·é¢ã¯åã®ååŸã«çããã®ã§ã
OAã®åçŽäºçåç·ãšBF,LHã®äº€ç¹ãé ã«M,Nãšãããšåè§åœ¢AMONã¯æ£æ¹åœ¢ã
ãããŠäžè§åœ¢ACOã¯æ£äžè§åœ¢ãªã®ã§ã
åè§åœ¢BCMAã¯äžèšã®ã©ã³ã°ã¬ãŒã®åé¡ã®åè§åœ¢ABCDã®å³ãšçãããçãã¯15°ã
No.1707ãããã2024幎1æ24æ¥ 12:15
ãããããããããããšãããããŸãã
åè§åœ¢BCMAãæ¬é¡ã®å³ã®åè§åœ¢ECDAã«åœãããâ EACãïŒïŒÂ°ïŒããããããã®å³ã§ã¯â BACïŒã«ãªããšããèš³ã§ããã
ãã£ãããç§ã®æ¹ãç®æ°ãšããäºãå¿ããŠããã®ã§ãç®æ°ã«ä¿®æ£ããŸããã
No.1708å£ããæ2024幎1æ24æ¥ 13:50
ãªãã»ã©ãé 匵ãã°ã§ããªãã¯ãªãã®ã§ããã
ãšã¯ãããæåãã â DAE = 30° ã§åŒãã°è£å©ç·ã¯ AE ã ãããäžå¯§ã«ããã«ããŠãäžåºãžã®åç· AH ãšããã㊠2 æ¬ã ãã§æžãããã§ãå¹³è¡ç·ããã¹ã¿ãŒãããæ¹ã¯çµå±ç¡æå³ã«ããããããå¢ããŠãã ããªå°è±¡ã§ãã
No.1715DD++2024幎1æ25æ¥ 17:17
ããããã®åŸã
ïŒå ã¿ã«ãã蟺 BC äžã« â DAE = 30° ãšãªãããã«ç¹ E ããšãã代ããã«ãDããABãšå¹³è¡ãªçŽç·ãåŒããŠç¹Eãå®ããŠãåºæ¥ãŸãããããªãé¢åèãã§ããã
ãïŒèŸºãšããæ£äžè§åœ¢ãæããŠãåºæ¥ãäºã倿ããŸãããããããé¢åèãã ãã§ããããŸãããããé¢çœããã§ãããç¬
No.1716å£ããæ2024幎1æ25æ¥ 19:25
ããããåé¡ã®äœçºè§£çã£ãœããã®ãèŠã€ããŸããã
ãã ã®å°åœ¢ã§ã¯ãªãçèå°åœ¢ãšããããæžããŠããããšã«ãã£ãšæ³šç®ããã¹ãã§ããã
ãã®åè§åœ¢ã AC ã§åæããâ³ADC ãè£è¿ããŠãåã³ AC ã«éåãã«æ¥åããŸãã
ãããšãAB = AE, â ABC = 45°, â BAE = 150°, â AEC = 135°, â BCE = 30° ã®åè§åœ¢ ABCE ãã§ããŸãã
ãããä»åºŠã¯ BE ã§åæãããš 2 ã€ã®äºç蟺äžè§åœ¢ãã§ããŸãã
ããã«ãããããããã察称ã«çã£äºã€ã«ãããšãçµå±ãã®å³åœ¢ã¯
ã»æèŸºã 10 cmãé«ãã 5 cmãåºè§ 30° ã®çŽè§äžè§åœ¢
ã»é«ãã 5 cmãåºè§ 75° ã®çŽè§äžè§åœ¢
ã 2 æãã€ã«ãªããŸãã
ãšããã§ãããã 1 æãã€ãé«ãå士ãèåããã«ãªãããã«è²Œãåããããšã
åºèŸº 10 cmãé«ã 5 cm ã®äºç蟺äžè§åœ¢ã«ãªãã®ã§ããã®é¢ç©ã¯ 10*5*(1/2) = 25 cm^2
ãã£ãŠå
ã®å°åœ¢ã®é¢ç©ã¯ãã®åã§ 50 cm^2
No.1717DD++2024幎1æ26æ¥ 13:17
ããããDD++ããèŠäºã§ããã
ã§åã£ãŠçµã¿æããã®ã¯ããŸã«èŠãææ³ã§ãããæåŸã®æã®ïŒã€ã®äžè§åœ¢ãïŒã€ã®äºç蟺äžè§åœ¢ã«ããæã¯è±åžœã§ãã
ååã®è§£çãä»åãããåããæããã°ãããã解説ããªãã£ããã§ããã©ãã
No.1718å£ããæ2024幎1æ26æ¥ 16:49
ååã®ããã»ãšãã©ãç§ã¯ãã£ãŠãªãèšç®ãåæã«å£ããæãããä»ãè¶³ããŸãã£ãŠãããããããã ãã§ããïŒ
No.1719DD++2024幎1æ26æ¥ 17:21
åé¡
çèå°åœ¢ABCDããããAD//BCã§ãã
â ABCïŒâ DCBïŒ45°
â ACBïŒ15°
â ACDïŒ30°
ADïŒ10cm
åè§åœ¢ABCDã®é¢ç©ã¯ïŒ
ç®æ°ã®è§£æ³ïŒ
ã®å»¶é·ãšïŒ£ïŒ€ã®å»¶é·ãšã®äº€ç¹ããšãããšãâ³ïŒ¥ïŒ¡ïŒ€ãšâ³ïŒ¥ïŒ¢ïŒ£ã¯çžäŒŒã§å
±ã«çŽè§äºç蟺äžè§åœ¢ã«ãªããâ ïŒïŒïŒÂ°
ãŸããâ ïŒïŒïŒÂ°
ãã£ãŠãâ³ïŒ£ïŒ¡ïŒ¥ã¯ïŒïŒÂ°ïŒïŒïŒÂ°ïŒïŒïŒÂ°ã®çŽè§äžè§å®èŠåã§ãããã«åç·ãäžãããã®è¶³ããšãããšãâ³ïŒ¥ïŒ¡ïŒšãšâ³ïŒ£ïŒ¥ïŒšãïŒïŒÂ°ïŒïŒïŒÂ°ïŒïŒïŒÂ°ã®çŽè§äžè§å®èŠåã«ãªãã
ãã£ãŠãïŒâ ãšãããšãïŒâ¡ïŒïŒ¡ïŒ£ïŒâ£ãããïŒâ£ïŒâ ïŒâ¢ããã£ãŠãïŒïŒ£ïŒšïŒïŒïŒïŒ
ãã£ãŠãâ³ïŒ¥ïŒ¡ïŒšïŒâ³ïŒ¥ïŒ£ïŒšïŒïŒïŒïŒããã£ãŠãâ³ïŒ¥ïŒ¡ïŒšïŒâ³ïŒ£ïŒ¥ïŒšïŒïŒïŒïŒã§â³ïŒ¥ïŒ¡ïŒšãšâ³ïŒ£ïŒ¥ïŒšã¯çžäŒŒããã
ÃïŒïŒ¥ïŒ£ÃïŒïŒïŒïŒ
ãšããã§ãâ³ïŒ¥ïŒ¡ïŒ€ãšâ³ïŒ¥ïŒ¢ïŒ£ãçžäŒŒã§ãâ³ïŒ¥ïŒ¡ïŒ€ïŒâ³ïŒ¥ïŒ¢ïŒ£ïŒïŒ¥ïŒ¡ÃïŒïŒ¥ïŒ£ÃïŒïŒïŒïŒ
ãŸããâ³ïŒ¥ïŒ¡ïŒ€ã¯æèŸºãïŒïŒïœïœã®çŽè§äºç蟺äžè§åœ¢ãããâ³ïŒ¥ïŒ¡ïŒ€ïŒïŒïŒÃïŒÃ·ïŒïŒïŒïŒïœïœ^2
ãã£ãŠãâ³ïŒ¥ïŒ¢ïŒ£ïŒïŒïŒÃïŒïŒïŒïŒïœïœ^2ããã£ãŠãå°åœ¢ïŒ¡ïŒ¢ïŒ£ïŒ€ïŒïŒïŒïŒïŒïŒïŒïŒïŒïœïœ^2
ïŒçããããããšãããããŸããçãã¯50cm^2ã§åã£ãŠãããŸãã
å£ããæããã®è§£æ³ã¯ç®æ°ã§æ±ãŸãéšåãšæ±ãŸããªãéšåãå¯ãåããŠãããããªæããªã®ã§ãããæå³ã§æ¬è³ªçãªè§£ãæ¹ã§ããã»ã»ã»ïŒ
è¿ä¿¡ãé
ããŠãã¿ãŸããã§ãããããããšãããããŸãã
No.1720å£ããæ2024幎1æ26æ¥ 18:45
ãªããç§ã®ä»¥åã®è§£çã«åæã«å解説ã€ããäžã§é£çã€ããŠãã人ãããã®ã§ãä»ã®äººãéšãããªããããããäžåã¡ãããšæžããŠãããŸãã
以äžãååã®è§£çã®èšç®å
šéšã§ãã
No.1701 ã®èªç§°ã解説ãã¯ãŠãã§çå€ããªèšç®ãåæã«ä»ãè¶³ãããããããéèŠã§ãããã®ããã«å¯ããŠããã ãã§ãã
ãæ³šæãã ããã
蟺 BC äžã« â DAE = 30° ãšãªãããã«ç¹ E ããšããŸãã
å¹³è¡ç·ã®é¯è§ãçããããšãã â DAC = 15° ãªã®ã§ãâ EAC = 30° - 15° = 15° ã§ãã
ãããã£ãŠãâ³EAC ã¯äºç蟺äžè§åœ¢ã§ãããEC = EA ã§ããããšãããããŸãã
ãŸããç¹ A ããè¿ BC ã«åç· AH ãäžãããŸãã
â EAH 㯠90° ãã â DAC ãåŒããæ®ããªã®ã§ãâ EAH = 90° - 30° = 60°
ãã£ãŠãâ³EAH ã¯å
è§ã 90°, 60°, 30° ã®çŽè§äžè§åœ¢ã§ããããšãããããAE 㯠AH ã®åã®é·ãã§ããããšãããããŸãã
ãããã£ãŠãEC ã¯å°åœ¢ã®é«ã 2 ã€åã®é·ãã§ããããšãããããŸãã
ãã®å°åœ¢ã¯åºè§ 45° ã®çèå°åœ¢ãªã®ã§äžåºã¯äžåºãããå°åœ¢ã®é«ã 2 ã€åé·ããBE ã¯ãã®äžåºããããEC ããªãã¡å°åœ¢ã®é«ã 2 ã€åçãã®ã§ã
BE ã¯äžåºã®é·ããšçãã 10 cm ã§ããããšãããããŸãã
ããã§ãâ³ABE ãš â³ADC ã«æ³šç®ãããšãã©ã¡ããåºèŸº 10 cm ã§ãé«ãã¯å°åœ¢ãšå
±éã§ãã
ããªãã¡ããã® 2 ã€ã®äžè§åœ¢ã¯çããé¢ç©ã§ãã
ãã£ãŠã
å°åœ¢ã®é¢ç© = â³ABE + â³EAC + â³ADC = â³ABE*2 + â³EAC
ãæ±ããã°ããããšã«ãªããŸãã
ãšããã§ãâ³ABE 2 ã€ã AB å士匵ãåãããŠããŒã¡ã©ã³åã«ãããšã
å¹ãã§ããéšåã¯é è§ 150° ã§ç蟺ã AE ã§ããäºç蟺äžè§åœ¢ããªãã¡ â³EAC ã®åœ¢ã«ãªããŸãã
ãã£ãŠãâ³ABE*2 + â³EAC ã¯ç蟺 10 cm ã®çŽè§äºç蟺äžè§åœ¢ã®é¢ç©ã«çããã10*10*(1/2) = 50 cm^2 ã§ãã
ãããã£ãŠãå
ã
ã®å°åœ¢ã®é¢ç©ã 50 cm^2 ã§ãã
## ä»åã¯çç¥ãããŠããŸããã®ã§ãåæã«å€ãªèšç®ãè¶³ããªãã§ãã ããã
No.1721DD++2024幎1æ26æ¥ 20:54
ããããæå³ãåãããŸããã
念ã®ãããéªéãããŠããèš³ã§ã¯ãããŸããã
No.1722å£ããæ2024幎1æ26æ¥ 22:05
ãè¿ä¿¡ãé
ããªããŸããã
DD++ããã®è§£ãæ¹ã¯é¢çœãã§ããïŒïŒæåŸã«ããŸãçŽè§äºç蟺äžè§åœ¢ãäœãã®ãçŸããã§ããã»ã»ã»ïŒ
å°ãèéã«ãããŸãããéäžã§åºãŠãããâ ABD=15°ãâ DBC=30°ãâ BCA=90°ãâ ACD=45°ã§ããåè§åœ¢ABCDã«ãããŠâ ADBãæ±ããããšããåé¡ã¯ã1995å¹Žç®æ°ãªãªã³ããã¯ãã©ã€ã¢ã«ã§èšå®ãããŠããè§åºŠã®å Žæã¯éããŸããåãå³åœ¢ã§åé¡ãåºãŠããŸãã
ç°¡åã«è§£ããªããããªæãã§ãããã»ã»ã»ïŒ
蟺ACã1蟺ãšããæ£äžè§åœ¢ãç¹Bã®å察åŽã«äœããé ç¹ãEãšçœ®ãã
â BDCïŒâ DCE=15°ãªã®ã§ãBD//CEãâŠâ
ãŸããBCïŒACïŒECã§ããããšãããâ³BCEã¯äºç蟺äžè§åœ¢ã§ãâ CEBïŒ15°
ãã£ãŠãâ DBEïŒ30°ãŒ15°ïŒ15°
â DBEïŒâ BDCïŒ15°ã§ããããšãšâ ãããåè§åœ¢BCEDã¯çèå°åœ¢ãªã®ã§ãâ BCEïŒâ DECïŒ105°ãBCïŒDEã
ããããèšç®ãããšâ³AEDãçŽè§äºç蟺äžè§åœ¢ã§ããããšãããããABïŒADãšãªã£ãŠå
šéšã®è§åºŠãæ±ãŸããŸãã
No.1723ãªã€2024幎1æ26æ¥ 22:22
pãçŽ æ°ãšããŠ, p=a_0+a_1Ã10+ã»ã»ã»+a_nÃ10^nã10鲿°è¡šç€ºãšããŸãã
ãã®ãšã,f(X)=a_0+a_1X+ã»ã»ã»a_nX^nã¯æŽæ°ä¿æ°ã®ç¯å²ã§å æ°åè§£ã§ããŸããïŒ
No.1686ãªã2024幎1æ19æ¥ 13:07
次æ°ã 1 以äžã®æŽæ°ä¿æ°ã®å€é
åŒãšããŠ
P(x), Q(x),R(x) ãäžããããŠããŠ
P(x) = Q(x)*R(x)
ãæºãããŠãããã®ãšããŸãã
ãŸããP(x) ã®å
šãŠã®ä¿æ°ã¯ 0 ãã 9 ãŸã§ã®æŽæ°ãšããŸãã
P(10) ãçŽ æ°ãšãªãããšã¯ãããŸããïŒ
ãšãã課é¡ãæå³ãããŠããã®ã§ããããïŒ
No.1690Dengan kesaktian Indukmu2024幎1æ21æ¥ 13:22
P(X) = a_n*X^n +ã»ã»ã»+a_1*X^1 +a_0
Q(X) = b_k*X^k +ã»ã»ã»+b_1*X^1 +b_0
R(X) = c_m*X^m +ã»ã»ã»+c_1*X^1 +c_0
n = k +m
k > 0 ,m > 0
P(X) = Q(X)*R(X)
ãšããŸãã
ãŸããP(X), Q(X), R(X) ã®å
šãŠã®ä¿æ°ã¯æŽæ°ãšããŸãããã€ãP(X) ã®å
šãŠã®ä¿æ°ã¯ 0 ãã 9 ãŸã§ã®æŽæ°ãšããŸãã ãã ããa_n, b_k, c_m 㯠0 ã«ã¯ãªãããå
šãŠæ£ãšããŸãã
p = P(10) ãçŽ æ°ãšãªããã©ããã«ã€ããŠæ€èšããŸãã
æºåâ
Q(X), R(X) ã®å
šãŠã®ä¿æ°ã«ã€ããŠããã®çµ¶å¯Ÿå€ã¯ 9 以äžã§ãã
ãªããšãªãã°ãããã®ä¿æ°ã®ãã¡ã²ãšã€ã§ã 10 以äžã§ããã°ãP(X)ã®ä¿æ°ã®ãã¡å°ãªããšãã²ãšã€ã«ã€ããŠããã®çµ¶å¯Ÿå€ã 10 ãè¶
ããŠããŸãããã§ããããã¯æ¡ä»¶ã«ãããŸããã
以äžãèçæ³ã䜿ããŸãã
ããªãã¡ãp ãçŽ æ°ãšä»®å®ãããšççŸããããšã瀺ããããšæããŸãã
ã㊠p ãçŽ æ°ãªã®ã§
P(10) = Q(10)*R(10) ã¯çŽ æ°ã§ãã
äžè¬æ§ã倱ãããšãªããR(10)ã 1 ãšã§ããŸããããªãã¡
r(X) ãå€é
åŒãšããŠ
r(10) = 0
R(X) = r(X) +1
ãšå®çŸ©ããããšãšãªããŸãã
P(X) = Q(X)*R(X) = Q(X)*(r(X) +1)
ãšãªããŸããã
P(10) = Q(10)
ãšãèšããŸãã
ãšããã§ãããããæºåããŠãããããã«
Q(X) ã®å
šãŠã®ä¿æ°ã«ã€ããŠããã®çµ¶å¯Ÿå€ã¯ 9 以äžã§ãã
ããããP(X) ã®æ¬¡æ°ããããQ(X) ã®æ¬¡æ°ã®ã»ããå°ããããšã¯å®çŸ©ããæããã§ãã
ãããã®ããšãã
P(10) ã®æ¡æ°ã¯Q(10)ã®æ¡æ°ããã倧ã§ããã¯ãã§ãã
ããããªããããã«ã¿ãããã«äžæ¹ã«ãããŠ
P(10) = Q(10)
ãªã®ã§ãççŸããŸãã
èçæ³ã«ããã
ä»®å®ããŠãããšããã®
ãp = P(10) ãçŽ æ°ã§ãããã¯
åœã§ãããšããããŸããã
==
以äžããªãã ãæ°æã¡æªãã¹ãžã¯ã«ãªã®ã§ãã
ééã£ãŠããç¹ãããã¯ããããã»ãããã£ãšã¹ãããªãããšãã£ãåŸ¡æ¹æ£ãé ãããåããŸãããããããé¡ãããããŸãã
No.1709Dengan kesaktian Indukmu2024幎1æ24æ¥ 16:38
> Q(X), R(X) ã®å
šãŠã®ä¿æ°ã«ã€ããŠããã®çµ¶å¯Ÿå€ã¯ 9 以äžã§ãã
> ãªããšãªãã°ãããã®ä¿æ°ã®ãã¡ã²ãšã€ã§ã 10 以äžã§ããã°ãP(X)ã®ä¿æ°ã®ãã¡å°ãªããšãã²ãšã€ã«ã€ããŠããã®çµ¶å¯Ÿå€ã 10 ãè¶
ããŠããŸãããã§ããããã¯æ¡ä»¶ã«ãããŸããã
ããã¯èšããªãã®ã§ã¯ïŒ
äŸãã°
(x^2-x+1)(2x^2+10x+9)=2x^4+8x^3+x^2+x+9
ã®ãããªäŸããããŸãã
No.1710ãããã2024幎1æ24æ¥ 18:41
ããããããã
ãææãæé£ãããããŸãã
ãããã
No.1711Dengan kesaktian Indukmu2024幎1æ24æ¥ 19:54
èªåã§èšŒæããããšã¯ãããããŸããã
Cohn's irreducibility criterion ã®ç¹æ®ãªã°ãããªã®ã§ãããArthur Cohn ã®æ¢çŽå€å®æ³ïŒ
OEIS ã«é¢é£ãããããããªãæ°åããããŸãã
https://oeis.org/A253280
No.1712Dengan kesaktian Indukmu2024幎1æ25æ¥ 08:46
ãšããããpâŠ10åã®çŽ æ°ã«ã€ããŠèª¿ã¹ãŸãããããã¹ãŠæ¢çŽã§ããã
ãã£ãŠæãç«ã¡ããã§ã¯ãããŸãã
No.1713ãããã2024幎1æ25æ¥ 11:34
https://mast.queensu.ca/~murty/murty.pdf
ãã¡ãã«è©³ããèšèŒãããããã§ãã
No.1714Dengan kesaktian Indukmu2024幎1æ25æ¥ 15:58
(1) æ¹çšåŒ x^3 - 3ïœ + 2-a = 0ãç°ãªã2ã€ã®å®æ°è§£ããã€ãšãã 宿°aã®å€ãæ±ãã.
(2) æ¹çšåŒ x^4 + (a â 5)x^3 + bx^2 â 4ax + a = 0 ã éè§£å«ããŠ4 ã€ã®æ£ã®å®æ°è§£ããã€ãšãã 宿°aãbã®å€ãæ±ãã.
(1)ã¯ããã£ãã®ã§ããã(2)ãããããŸãããããã
No.1702F2024幎1æ23æ¥ 19:55
p ãçŽ æ°ãšãã. p ã®åæ°ã§ãã£ãŠ, å
šãŠã®äœã®æ°ã 1 ã§ãããããªãã®ãååšããªããã㪠p ãå
šãŠ
æ±ããŠãã ãã.
No.1696ããã2024幎1æ23æ¥ 09:32
確å®ã«ããïœïŒïŒãïœïŒïŒãã¯ãããŸãããïŒïœïŒïŒã¯ãïŒÃïŒïŒïŒïŒïŒïŒã§é§ç®ã ããïœïŒïŒã¯
ïŒÃïŒÃïŒïŒÃïŒïŒÃïŒïŒïŒïŒïŒïŒïŒïŒïŒã§é§ç®ãïœïŒïŒïŒã¯ãïŒïŒÃïŒïŒïŒïŒïŒïŒïŒïŒã§é§ç®ãïœïŒïŒïŒã¯ã
ïŒïŒÃïŒÃïŒÃïŒïŒÃïŒïŒïŒïŒïŒïŒïŒïŒïŒã§é§ç®ãã»ã»ã»
æãããŠãïœïŒïŒãïœïŒïŒã以å€ã«ååšããã®ããªïŒ
No.1698管çè
2024幎1æ23æ¥ 10:31 æ¡ä»¶ãæºããã®ã¯p=2,5ã ãã§ããã
p=3ã®ãšã3Ã37=111
pã2,3,5以å€ã®ãšã
1/pãçŽåŸªç°å°æ°ã«ãªãããšãããåŸªç°æ¡æ°ãnã埪ç°ç¯1åšæåã®å€ãNãšããã°1/p=N/(10^n-1)
Np=10^n-1
å³èŸºã¯9ã§å²ãåããŸãããpã¯3ã§å²ãåããŸããã®ã§
Nã9ã§å²ãåãã
(N/9)p=(10^n-1)/9
ãã®å³èŸºã¯111âŠ11ã§ããããpãN/9åããã°111âŠ11ã«ãªãããšãããããŸãã
äŸãã°
p=7ãªãã°1/p=0.142857142857âŠã§142857/9=15873ãªã®ã§7Ã15873=111111
p=23ãªãã°1/p=0.04347826086956521739130434782608695652173913âŠ
ã§434782608695652173913/9=48309178743961352657ãªã®ã§
23Ã48309178743961352657=1111111111111111111111
ã®ããã«ãªããŸãã
No.1699ãããã2024幎1æ23æ¥ 13:13
å¹³é¢äžã®ç¹ P,Q,R ãåäžçŽç·äžã«ãªããšã, ãããã 3 é ç¹ãšããäžè§åœ¢ã®é¢ç©ã â³PQR ã§
衚ã. ãŸã, P,Q,R ãåäžçŽç·äžã«ãããšãã¯, â³PQR = 0 ãšãã.
A, B, C ãå¹³é¢äžã® 3 ç¹ãšã, â³ABC = 1 ãšãã. ãã®å¹³é¢äžã®ç¹ X ã, â³ABC ã®å€æ¥åã®
åšããã³å
éšãåã. ãã ã, â³ABC ã®åšäžã¯é€ã. ç¹ X ããçŽç· BC, CA, AB ã«ãããã
åç·ã®è¶³ã L, M, N ãšãããšã
0 ⊠â³LMN âŠ1/4
ãšãªãããšã瀺ã. ãŸã, çå·ãæãç«ã€ã®ã¯ã©ã®ãããªãšãã.
No.1695ãŸãã2024幎1æ23æ¥ 09:12
ïŒçå·ãæãç«ã€ã®ã¯ã©ã®ãããªãšãã.
ïŒïŒã®å Žåã¯ãã·ã ãœã³ã®å®çããç¹Xãååšäžã«ããå Žåã§ããã
ïŒïŒ/ïŒã®å Žåã¯ãäžç¹é£çµå®çããç¹LïŒMïŒNãå蟺ã®äžç¹ã®å Žåã§ãããç¹Xãå€å¿ã®å Žåã§ããã
ïŒ0 ⊠â³LMN âŠ1/4
ãšãªãããšã瀺ã.
ãã®åŸãã€ããæ€çŽ¢ããŠããŸããŸãããhttp://www.auemath.aichi-edu.ac.jp/teacher/iijima/gc/world/simson/12.htm
No.1697å£ããæ2024幎1æ23æ¥ 10:02
倧åŠå
¥è©Šå
±é詊éš
æ°åŠã®å¹³åã¯ãã ãããïŒïŒç¹å°ã ãã©ã
ãªãã§ãããªã«é£ããããå¿
èŠãããã®ã ããïŒ
èªåãæ°åŠã®è©ŠéšãåããŠååäœããåºæ¥ãªãã£ãã
èœã¡ãããªãšæã£ãŠããŸããã©ã
粟ç¥çã«èœã¡èŸŒãã»ã»ã»
No.1684ã«ã«ãã¹2024幎1æ19æ¥ 10:42
ä»®ã«å¹³åç¹ã80ç¹ã®è©Šéšã ã£ãããå¹³å以äžã«æ°åŠãã§ãã人ã®éã§æå€§20ç¹ããå·®ãã€ããªãããã§ããããã
ç¹æ°ãå
šãŠåå·®å€åããŠååŠã決ããæ¹éã ã£ããå¹³åç¹ãå€å°äžäžããŠãåé¡ãªããšæããŸãããåçŽã«åŸç¹ãåèšãã以äžå¹³åç¹ããäžã«ååãªå¹
ããªããŠã¯ãããŸããã
ãŸãããããã倧åŠå
¥è©Šã®ã·ã¹ãã ããäœç¹ä»¥äžã§åæ Œãã§ã¯ãªããäœäœä»¥äžãåæ Œãã§ãã以äžãé£ããããšã ããçç±ã§èœã¡ããšããããšã¯ã»ãšãã©ãªãã¯ãã§ãã
No.1685DD++2024幎1æ19æ¥ 12:46
ïŒïŒãã
æé£ãããããŸãã
èªåã®ãæšãèŠãŠæ£®ãèŠããã®æ§æ Œã ãšãåºæ¥ãªãã£ããšãã
èãã ããæµ®ãã³ãã¬ãã£ãã«ãªã£ãŠããŸããŸãã
å
ã
ãé ã®è¯ã人ã£ãŠãèãæ¹ãããžãã£ããªãã§ãããã
ãèªåã«åºæ¥ãªãåé¡ã¯ãã¿ããªãåºæ¥ãªãã®ã ããã
ãšã
ãå¥ã«ãå
šéšåºæ¥ãå¿
èŠãªããŠãªããèªåã«åºæ¥ãæã ããããã°è¯ãã
ãªã©ãæ°æã¡ã«äœè£ããããŸããã
倧æãå
±éäžæ¬¡è©Šéšããã£ãæãæš¡æ¬è©Šéšåé¡ãèŠããšããã«
ãã³ã·ã§ã³ããããŒããšäžããããããé§ç®ã ãŒãã§é ã®äžããã£ã±ãã«ãªãã
諊ãã¢ãŒãã§ã ãã ããšè§£ããŠèšæ¶ããããŸãã
æåãããå¹³åç¹ãïŒïŒç¹äœãæ³å®ããŠäœã£ãŠããåé¡ã ãšåãã£ãŠããŠæã
ã®ãšãå
šãç¥ããªãã§æãã®ã§ã¯ç²Ÿç¥çãªãã®ãå
šç¶éã£ãŠããŸããã
æè¿ã倧åŠå
±éãã¹ãã話é¡ã«ãªã£ãŠ
éå»ã®æããã³ãã«æä»£ãæãåºããŠããŸããŸããã
倱瀌èŽããŸããã
No.1688ã«ã«ãã¹2024幎1æ20æ¥ 00:19
3ãã109ãŸã§ã«ã¯å
šéšã§28åã®å¥çŽ æ°ãååšããã
ãããã12åãåãåºãã6åãã€ã®2çµ
A=[p1,p2,p3,p4,p5,p6]
B=[q1,q2,q3,q4,q5,q6]
ã«åããããã®æ
p1^r+p2^r+p3^r+p4^r+p5^r+p6^r = q1^r+q2^r+q3^r+q4^r+q5^r+q6^r
ã
r=1,2,3,4,5
å
šãŠã§æç«ãããšããã
ãã®ãããª2çµA,Bã¯ã©ããªçµåããïŒ
ãããããèŠã€ããããæ¹ã¯ãã©ã®æ§ãªææ®µããšãåŸããããã®ãªã®ãç²çãæããŠæ¬²ããã
ïŒããæã§ãããªãã®ãæç«ã§ããçµåãããå¯èœã§ããããšãç¥ã£ãããç·åœããæ»æ
ã®æ¹æ³ã§ã¯ç§ã®æ®ãã®äººçã䜿ã£ãŠãæéãç¡ãïŒ)
No.1670GAI2024幎1æ15æ¥ 17:44
[19, 29, 53, 73, 97, 107]
[17, 37, 43, 83, 89, 109]
ã£ãŠããšã§ããïŒ
No.1671DD++2024幎1æ15æ¥ 21:28
ããææ®µãã§ãããã
æ°åŠæåç§è©±ãè€çŽ äžçã®æ¡åŒµãã§ç§ãååãŸã§æç€ºãã
[a+c, b+c, 2a+6b+c, 4a+4b+c, 5a+10b+c, 6a+9b+c]
[c, a+4b+c, 2a+b+c, 4a+9b+c, 5a+6b+c, 6a+10b+c]
ã§ãa=12, b=2, c=17 ãåœãŠã¯ããã ãã§ãã
ããããå
šãŠçŽ æ°ã«ããããšããã°ãa 㯠6 ã®åæ°ãb ã¯å¶æ°ãc 㯠7 以äžã®çŽ æ°ããããããã
6a+10b+câŠ109 ã®ç¯å²ã§ã¯ (a,b) ã®åããããã¿ãŒã³ã 4 éããããªãã®ã§é ã«è©ŠããŸããã
No.1672DD++2024幎1æ15æ¥ 21:42
ããã°ã©ã ã§æ¢çŽ¢ããŸããã
(17,37,43,83,89,109)
(19,29,53,73,97,107)
å®è¡æé0.5ç§
ææ®µã®ç²ç
ã»5ä¹ã®ã¿ã§äžèŽãããã®ãæ¢ããäžèŽããã4ä¹ä»¥äžãèšç®
ã»äœ¿çšããæå€§ã®èŠçŽ ãæ±ºããŠãããp1ãšãã以éq1,p2,q2,p3,q3,p4,q4,p5,q5,p6ã®é ã«
æªäœ¿çšçŽ æ°ãããŠã¯ããŠããïŒæåŸã®q6ã¯ããŠã¯ããåèšã®å·®ã®5乿 ¹ãèšç®ïŒ
ãã ãp1ïŒp2ïŒp3ïŒp4ïŒp5ïŒp6, q1ïŒq2ïŒq3ïŒq4ïŒq5ïŒq6
äŸãã°æå€§ãp1=97ã®ãšã次ã®q1ã¯89,83,79,âŠã®é ã«ããŠã¯ãã
ããã§ãäŸãã°p1=97,q1=71ãšãªã£ããšããq2âŠ67ãã€97^5ïŒ71^5+67^5Ã5ãã
q1âŠ71ã§ã¯è§£ããªãããšãããããŸãã®ã§ãäžæ¢ããŸãã
# 97^5ïŒ73^5+71^5+67^5+61^5+59^5+53^5ã®ããã«ãã¡ããšå€å®ããã°73ã§ãè§£ããªã
# ããšãããããŸãããå€å®ãç²ãããŠ5ä¹ã®åæ°ãæžãããŠããŸãã
q1ïœp6ãã¹ãŠã«ãããŠãã®å€å®ãå
¥ããŸãã
# åé¡ããèãããšæå€§ã¯109ãšäºæ³ã§ããŸãããã念ã®ãã
# 107以äžãæå€§ãšããå Žåã«è§£ããªãããšã確èªããŸããã
# ã¡ãªã¿ã«æå€§ã109ã«åºå®ãããšEnterããŒãé¢ããŸã§ã«å®è¡ãçµãããŸãã
No.1673ãããã2024幎1æ15æ¥ 21:47
2016幎ã«è«æã«ãªã£ããã®ã
DD++ ããã«ãã£ãŠãšã£ãã«äžè¬åãããŠããããšã«ããã¯ãªã§ãã
http://eslpower.org/TarryPrb.htm#Ideal%20prime
ã§ã
[19, 29, 53, 73, 97, 107]
[17, 37, 43, 83, 89, 109]
ãæ¢ããŠãã ããã
No.1674Dengan kesaktian Indukmu2024幎1æ15æ¥ 22:03
ã10åã®çŽ æ°ã5åãã€ã«åããŠ1ïœ4ä¹ã§äžèŽããããã«ãããã«ãããš109ãŸã§ã§ã¯ç¡çã¿ããã§ããã
No.1675ãããã2024幎1æ15æ¥ 22:16
æ°åŠæåç§è©±ãè€çŽ äžçã®æ¡åŒµã
ãèŠãŠããããªããšãæãã£ãŠããããšãæãããæãåºããŸããã
ïŒå¹Žãçµã€ãšãã£ããå¿ããŠããŸããã®ã§ãã
æ¹ããŠããããªåé¡ã«æ·±ãé¢ãããã®ãªãã ãšèªèãæ°ãã«ããŸãã
DD++ãããèããããŠãã5ä¹åªãŸã§ã®ãã©ã¡ãŒã¿è§£ãªãäžçºãªãã§ããã
éå»ã®ããŒãã®ã¡ã¢ããµãè¿ã£ãŠããããDD++ããã®ä»ã«ãã©ã¡ãŒã¿è§£ãšããŠ
S(a,b,c)=[6*a-3*b-8*c, 5*a-9*c, 4*a-4*b-3*c, 2*a+2*b-5*c, a-2*b+c, b]
T(a,b,c)=[6*a-2*b-9*c, 5*a-4*b-5*c, 4*a+b-8*c, 2*a-3*b, a+2*b-3*c, c]
ã䜿ããš
S(52,17,19)
%136 = [109, 89, 83, 43, 37, 17]
T(52,17,19)
%139 = [107, 97, 73, 53, 29, 19]
ãŸã
S(74,43,29)
%137= [83, 109, 37, 89, 17, 43]
T(74,43,29)
%140 = [97, 53, 107, 19, 73, 29]
ãªã©äžçºã§æ±ãŸãããšãåºæ¥ãŸããã
ããããããã®ããã°ã©ã ã®çµã¿æ¹ãèªãã§ããããªå·¥å€«ãããªãäºã«ã¯æéãããããã£ãŠãæ±ããããšãäžå¯èœ
ã§ããããšãèªèãããŸããã
ããããªã¿ãŒã³ããŒãé¢ãç¬éã«çããæ±ãããããšã¯æãå
¥ããŸãã
æ§ã
ãªãªã³ã¯ããã©ã£ãŠæ
å ±ãéããŠã¿ããš
4ä¹åªãŸã§ã®çŽ æ°çµã¯
A=[401,521,641,881,911]
B=[431,461,701,821,941]
(2016幎çºè¡š)
ã®æ§ã§ãã
ããã«é©ãã¹ãã¯
A=[32058169621, 32367046651, 32732083141, 33883352071,
ã 34585345321, 35680454791, 36915962911, 38011072381,
38713065631, 39864334561, 40229371051, 40538248081]
B=[32142408811, 32198568271, 32900561521, 33658714231,
34978461541, 35315418301, 37280999401, 37617956161,
38937703471, 39695856181, 40397849431, 40454008891]
ã®ïŒçµã§ã®12åãã€ã®çŽ æ°ã§ã¯äœãš11ä¹åªãŸã§ã®çåŒãæç«ãããšããã
(2023,4,8çºè¡š)
ãšããããšã§ãã€ãæè¿ã®çºèŠã ããã§ãã
人éã®æ¢ãå·å¿µã¯ç©åããã®ã§ããã
No.1678GAI2024幎1æ16æ¥ 16:16
4ä¹åªãŸã§ã®çŽ æ°çµã¯ããã£ãšå°ãããã®ããããŸãã
A=[23,31,103,109,167]
B=[13,59,67,131,163]
èªåã®ããã°ã©ã ã§èŠã€ããçµæã§ããããæå°è§£ã§ãã
GAIãããæžãããè§£ã¯åã1342ã«ãªããã¢ã5åãšãªã£ãŠããã察称ãªãè§£ã§ããã
No.1679ãããã2024幎1æ16æ¥ 18:01
ãšããã§ã5幎åã®ç§ã¯ãã©ã¡ãŒã¿è§£ãèŠã€ããæ¹æ³èªäœãäŒããã¿ããã§ããã
GAI ããã®æ¥œãã¿ã奪ããªãããã ã£ãã®ãããããšããããããªæ¢ãæ¹ã®ã¢ã€ãã¢ãåºãŠããã®ã§ä»ã®æ¹ã«å€ãªå
å
¥èгãäžããªãããã ã£ãã®ãâŠâŠã
ä»åã¯é瀺ããæ¹ã GAI ãããæ¥œãããããããªãããšããããšã§ã以äžã«æå³æ·±ãªããšãèšèŒããŠãããŸãã
f1(x) = x^17*(1-x^2)
f2(x) = 1-x^12
f3(x) = 1-x^14
f4(x) = 1-x^16
f5(x) = 1-x^18
f6(x) = 1-x^30
ãããã¯å
šãŠãfn(1) = 0 ãšãªãå€é
åŒã§ãã
ããŠãããã 6 ã€ã®åŒãæãåãããŠå±éãããšäœãèµ·ããã§ããããã
No.1681DD++2024幎1æ16æ¥ 18:43
ç¡è¶èŠè¶åãããšãèµ·ããã§ã¯ãªãã§ããïŒ
ãããããªæ¯é¢æ°çåŒãæãã€ããŸããïŒ
DD++ããã®é ã®äžã¯ãªããéãã
ãããããããæ±ããŠãã
4ä¹åªãŸã§ã®çŽ æ°çµã¯ããã£ãšå°ãããã®ããããŸãã
A=[23,31,103,109,167]
B=[13,59,67,131,163]
ãšãããã®ã
DD++ããã®ææ³ã§æ§æããŠã¿ãããšææŠããŠã¿ãã
P=x^78 - x^74 + x^68 + x^66 - x^62 + x^58 + x^56 + x^54 - x^52 + x^48 + x^46 + x^44 + 2*x^36 + x^34 + x^26 + x^24 + x^22 + x^14 + x^12 + 1
ãªãã¡ãã£ãšäžçް工ãªåŒãå°å
¥ããããšã«ã¯ãªããŸããã
x^13*(x^22-1)*(x^18-1)*(x^14-1)*(x^12-1)*(x^10-1)*P
ã§è¡ãããã§ãã
<远䌞>
æåŸã®é¢åãªPãçç¥ããx^13ãåã«xã§
x*(x^22-1)*(x^18-1)*(x^14-1)*(x^12-1)*(x^10-1)
ãå±éãããš
A=[77, 53, 51, 49, 47, 45, 45, 43, 19, 15, 13, 11]
B=[67, 65, 63, 59, 35, 33, 33, 31, 29, 27, 25, 1]
ã®ã°ã«ãŒãåããå¯èœã§
ãã®12åãã€ã§ã®4ä¹åªãŸã§ã®çåŒãæç«ã§ããããšãèµ·ãããŸããã
No.1682GAI2024幎1æ17æ¥ 07:14
ãããªãã§ããã
ãã®ææ³ãå±éåŸã®é
æ°ãå°ãªãããšããå¿
ãããå±éåã®ããŒãã®é
æ°ãå°ãªãããšãæå³ããªãã®ãé£ããç¹ã§ãã
çµå±ã®ãšãããåºãŠããé
ãã©ã®ãããå¹çããæ¶ããŠããããåè² ãªã®ã§âŠâŠã
No.1683DD++2024幎1æ17æ¥ 20:50
ãçé§ãæãã¹ããã®èšäºã®çåŒãç§ã以åèããããšããã£ãŠããã£ãšã·ã³ãã«ãªèšŒæãèŠã€ããŠããŸãã®ã§æçš¿ããŸãã
é è§ A = 20° ã®äºç蟺äžè§åœ¢ ABC ãèããBC = 2 ãšããŸãã
蟺 AB äžã« â BCD = 20° ãšãªãããã«ç¹ D ããšãã蟺 AC äžã« CE = 1 ãšãªãããã«ç¹ E ããšããŸãã
â³CBD ãé è§ 20° ã®äºç蟺äžè§åœ¢ãªã®ã§ãCD = 2 ã§ãã
ãããšãâ³CDE ã¯é·ã 1 ãš 2 ã®èŸºã®éã 60° ãšããäžè§åœ¢ãªã®ã§ã
ããã¯çŽè§äžè§åœ¢ã§ãããACâ¥DE, DE = â3, â CDE = 30° ãåŸãããŸãã
ãããã£ãŠãâ ADE = 70° ãã AC = AE + CE = â3 tan70° + 1 ãšãªããŸãã
äžæ¹ãäºç蟺äžè§åœ¢ ABC ãã®ãã®ã«æ³šç®ããã°ãAC = 1/sin10° ã§ããããšã¯æããã§ãã
ãã£ãŠç€ºãããŸããã
No.1676DD++2024幎1æ16æ¥ 10:41
é®®ããã§ããïŒDãEã®èšå®ãç¥ããã£ãŠããŸããè¯ããã®ãèŠãããŠããã ããŸããã
No.1677HP管çè
2024幎1æ16æ¥ 13:45
ã¡ãªã¿ã«ãé è§ã 20° ã§ã¯ãªã 2Ξ ã«ãšããšã
2sin(3Ξ)+2cos(3Ξ)tan(90°-2Ξ)=1/sinΞ
ãšããäžè¬åãããåŒã«ãªããŸãã
äœããèããããŠãã®å³ãäœã£ãèšæ¶ããããã§ãããäžäœäœã®ããã ã£ãã®ãæãåºããªãæ²ãã¿ã
No.1680DD++2024幎1æ16æ¥ 18:28