nora
פ֤ޤ
ʤŬʤɤƤ뤦ˡ
ȤäƲ򤱤ޤ͡
1020ڡ 0:10:43 38485
㡼ߡ
P BC ˿ PH 򲼤BH : PH : CH =9 : 5 : 5
ѷ APQ Ȼѷ HPB 顣
1020ڡ 0:12:13 38486
ͤ
Ф£ä˿Ȥ򤪤ơ£ȡУȡ᣹
Уȣ¢梤УѤꡢѡѣ¡ᣱޤǽФ
Ȥʬǡ

ȤΤϡŤˤʤäƤפĤΤ

ǽϡޤ򣱣ٲžơ¡á᣷Ȥơɸ׻
ʿ;ǥꥴ˵ޤ
裲롼ס 1020ڡ 0:17:46 HomePage:38487
ͣ.ǥ
ȤꤢѴؿȤäФޤ줫顡ܥܥ
Dz򤤤Ƥߤޤ
ɵͻǤ򤭤ޤ
С2Уá5ȤФä˿УȤ򲼤
£á49/2£ãС49/2)*(5/7)35/2
УãȤϡг5Ⱦʬꡡ25/4
äơУ£ȡУãȡ(35/225/4)25/495
Уȡ£ȡãȡ£ȡ59
Уѣ梤У£ȡꡡѡ2*(9/5)18/5
ѡѣ¡1718
äơ
Уѣ¡ᢤУ£*(17/35)ᢤ£*(2/7)*(17/35)34/245)*£
Ȥʤޤʤʤ󤫡äݤ
1020ڡ 1:05:10 38488
֤
AP=2PC=5ȤƷ׻ޤ

ABC˿AHPBC˿PI򲼤Ȥˤꡢ
HI:IC=2:5
BH=CHꡢBH:HI:IC=7:2:5
PICľջѷ顢IC=IP
äơBIPˤơ
BI:IP=(BH+HI):IP=(7+2):5=9:5
BIP梤QAPꡢQA:AP=BI:IP=9:5ȤʤΤǡQA=18/5ȵޤꡢ
BQ=7-(18/5)=17/5

äơ
PQB=(17/5)2(1/2)=17/5
ABC=77(1/2)=49/2
顢PQB/ABC=(17/5)(2/49)=34/245

ȤDz򤭤ޤ
1020ڡ 0:24:44 38489

ѣФȤʿ¤ä˰θҤȤҡңáᣵᡢУѤȦң¤ʤΤǣСѡᣵ򤭤ޤ
1020ڡ 0:40:14 38491
ϻǯ
ϢУѤʿ޷ȤƣʬʾĥޤǤƤߤʤƱˡˤʤȤɤ夭ޤ
1020ڡ 0:45:06 38492
abcba@jugglermoka
AP:PC=N:Mξ
PQBѤϭABC(M^(2)2N^(2))N/(M(M+N)^(2))ܤˤʤ롣
1020ڡ 1:00:25 38493
⡼ޥ
äȵŤޤ...^^;
λѷդ֤(BˤϤ)...⤵2Ȥʤ...
Ȥ...׻...2ʤ󤾤äȤФʤΤǤ...Orz...
1020ڡ 1:00:51 38494
Ȥ
#38487

>ǽϡޤ򣱣ٲžơ¡á᣷Ȥơɸ׻
>ʿ;ǥꥴ˵ޤ

ɸ֤ˤƤƱǶäޤ

ɸA(0,0),B(7,0),C(0,7),P(0,2),Q(a,0)֤
cosPQA=a/sqrt(a^2+4)
cosCBQ=((7*sqrt(2))^2+(sqrt(53))^2-5^2)/(2*7*sqrt(2)*sqrt(53))
ѤʸִݤγѤ
a/sqrt(a^2+4)=((7*sqrt(2))^2+(sqrt(53))^2-5^2)/(2*7*sqrt(2)*sqrt(53))ѷ
2*7*sqrt(2)*sqrt(53)*a=(98+53-25)*sqrt(a^2+4)
2*7*sqrt(2)*sqrt(53)*a=126*sqrt(a^2+4)
2*7*sqrt(2)*sqrt(53)*a=2*7*9*sqrt(a^2+4)
sqrt(2)*sqrt(53)*a=9*sqrt(a^2+4)ξա2褷
106*a^2=81*(a^2+4)106*a^2=81*a^2+81*4
25*a^2=81*4a^2=9^2*2^2/5^2a=9*2/5=18/5
PQB=(7-18/5)*2/2=35/5-18/5=17/5
ABC=7*7/2=49/2ꡡ
PQB/ABC=(17/5)/(49/2)=17*2/(5*49)=34/245()
˭ԡ 1020ڡ 1:08:30 38495
ʸ
򲼤ʻѷͤƤȤǤ礦
1020ڡ 2:52:28 38496
aibo
APQPBCȽŤͤDz򤭤ޤ
夬ФƤޤ()
轵Τϲ򤱤ˤΤǡ򤱤Ƥ褫äǤ
1020ڡ 3:07:30 HomePage:aibo38497
ܤդܤ
򤱤ޤ
1020ڡ 11:00:48 38498
uchinyan
Ϥˤϡơϡ
ϡȤƤϡɸŪפᡤȤäǤ礦ڤȻפޤʴǡ

(ˡ1)
ޤΤΤΥϼͳ˼ơAP = 2PC = 5ñ̤㤨 cmȤƹͤޤ
ȡAB = AC = 7ABC = 7 * 7 * 1/2 = 49/2Ǥ
AP BC ˿򲼤줾­ HI Ȥޤ
ȡABC ľջѷʤΤǡAH = BH = CHAHPI = CACP = (5 + 2)5 = 75 ǡ
ICP ľջѷʤΤǡCI = PIPIIB = PI(BC - CI) = 5(7 * 2 - 5) = 59ˤʤޤ
ǡPAQ PIB ʤΤǡPAAQ = PIIB = 592AQ = 59AQ = 18/5BQ = AB - AQ = 7 - 18/5 = 17/5Ȥʤꡤ
PQB = BQ * AP * 1/2 = 17/5 * 2 * 1/2 = 17/5PQB/ABC = 17/5 * 2/49 = 34/245
ĤޤꡤPQB ABC 34/245 ܤˤʤޤ

(ˡ2)
AHPI = 75 ޤǤ(ˡ1)ƱǤꡤPBC = ABC * 5/7 = 49/2 * 5/7 = 35/2 Ǥ
ˡPCI ľջѷʤΤǡPCI = CP * CP/2 * 1/2 = 5 * 5/2 * 1/2 = 25/4Ȥʤꡤ
PIB = PBC - PCI = 35/2 - 25/4 = 45/4 Ǥ
ǡP BC ʿԤ AB Ȥθ R ȤȡARP ľջѷʤΤǡ
AR = AP = 2ARP = 2 * 2 * 1/2 = 2ARP PCI(AP * AP)(IP * IP) = ARPPCI = 2(25/4) = 825 Ǥ
ǡPAQ PIB ʤΤǡPAQPIB = (AP * AP)(IP * IP) = 825PAQ(45/4) = 825PAQ = 18/5Ȥʤꡤ
PQB = ABC - PAQ - PBC = 49/2 - 18/5 - 35/2 = 17/5PQB/ABC = 17/5 * 2/49 = 34/245
ĤޤꡤPQB ABC 34/245 ܤˤʤޤ
ͥνȡ 1020ڡ 12:06:47 MAIL:uchi@sco.bekkoame.ne.jp 38499
ϥ饮㡼ƥ
ѴؿǤBPĹ;Ȥޤ
ԡ 1020ڡ 12:46:08 HomePage:湩ؤ˥38500
uchinyan
ǼĤɤߤޤܺ٤褯ʬʤΤ⤢ޤ

#38485
ʤŬʤɤƤ뤦ˡ
䤪ȤäƲ򤱤ޤ͡
Ȥˡܺ٤

#38486#38487#38488[ɵ]#38489#38492#38499(ˡ1)
P BC ˿ PH 򲼤BHPHCH = 955APQ HPBAQQB = 1817 ʤɤˡ
ϼ㴳ΥХꥨ󤬤褦Ǥ

#38491
ѣФȤʿ¤ä˰θҤȤҡңáᣵᡢ
䦤УѤȦң¤ʤΤǣСѡᣵ򤭤ޤ
Ȥˡ֣ҡңáᣵפε

#38496
򲼤ʻѷͤƤȤǤ礦
Ȥˡܺ٤

#38499(ˡ2)
P BC ˿ PI 򲼤 APQ IPB ȤΤƱǤʹߡ濴˲򤯲ˡ
ȤȤǢȤʤפ򤷤Ƥޤ

#38487θȾ#38488Ⱦ#38494#38495#38497#38500
ؤˤˡ
ͥνȡ 1020ڡ 13:25:56 MAIL:uchi@sco.bekkoame.ne.jp 38501
imai
PBC˿PHȤޤ
1020ڡ 14:02:49 38502

Ф£ä˿򤪤ƢУѤȤDz򤭤ޤ
˺椬ФƤޤˤȤ˾äϤ
ȿƥꥴ׻ޤ
򤤤ƤǺ椬ФƤꡢʬʬҤˣǿ
ФƤꤹȤʤ԰¤ˤʤޤ

1020ڡ 15:47:04 38503
ߡ
ȤꤢˤƤǤõˤơ
ΣȵŤơ

˳礷˺졤17/245ȤƤޤޤȤ
ɤ⻲äȤӤȤӤȡХˤʤäƤƤޤ
1020ڡ 18:26:27 38504

Τ褦ˡޤȤˤäƲƳ褦ʿ޷꤬Ǥ

׻ѻԹACդˤʤ褦ʸοޤƹͤޤ
ΤPBC˿򲼤ȤפĤˡABDBCE򡢤줾PD//CBPE//ABȤʤ褦ˤȤꡢQPD梤BQEAQ:BQ=18:17Ƴޤ
ǤPBC˿򲼤ۤޡȤǤ͡
1020ڡ 23:24:35 38505
nora
#38486#38487#38488[ɵ]#38489#38492#38499(ˡ1)
ƱäΤǤ̲äΤǡñˤ񤫤ʤäǤ

#38503 (to)
Τˡ䤳׻ǤƤ԰¤ˤʤޤͣ
1020ڡ 23:37:02 38506
ڥ륽
äʤǤդ
1021ʶ 0:07:34 38507
(ء)
ĩ򡡹ɤ
ܣУѣܣã£Ф椷⤫Фʤä
ǰ(ء`)
1021ʶ 23:17:01 MAIL:jo3kcq789@yahoo.co.jp 38508
Ф
#38502imaiƱä˥Ȥ뤳ȤʤǤ
1022ڡ 9:34:40 38509
ݤä
Сä鵿˻פäƤ꤬Ĥ˲褷ޤ
򤫤äΤDz򤤤ƤߤƤ

δμʤȲ򤭤ˤ⤷ޤ

ΩΤդ֤Ĥɤʬˡϲ̤ꤢ뤫žưפΤƱΤȤȤʤäƤ⤤ΤȤޤ
1022ڡ 22:08:34 38510
ͺ
Ƥ줿

BCBPȤθBCȤθȣ»ȤäƢAQPȤޤ
ȤϡĥͤȤ

ݤäͲˡorz
1023 15:57:45 38511
ϲ
Ǥ
1023 17:24:13 38512
Ҥ餱
ФλҶֺޤäƤʤΡǤʤΡפʸ礿Ƥ
ٰƬȤʤΤǡ;Ф
1023 20:11:41 38513
uchinyan
#38510
ΩΤդ֤Ĥɤʬˡϲ̤ꤢ뤫
žưפΤƱΤȤȤʤäƤ⤤ΤȤޤ
ɤʬפΰ̣ޤǤʤȤ⡤ĤդˤƱɤ롤ΤǤ礦θǤ

ʥ֤˲᤹ȡɤʬספΤ顤٤礦դˤϰۤʤ뿧ɤ롤ΤȻפޤ
ȡ餫 0 ̤Ǥ
ǤˤʤʤֻȤʤäƤ⤤פʥ󥻥󥹤Ǥ
ǡ¿ʬ٤礦դƱɤäƤ褤ΤȻפޤ
ȡʤݤǤ218 ̤ꡤˤʤ褦Ǥ

̿˿ƤⲿȤʤޤʤݤǤ¤ϡϤˡǤϤޤޤäƤޤ
ǡץȤߤޤη̤ 218 ̤ꡣ
Ȥ񤷤ʤޤ¤ϡμȤŪưפ˲򤱤Ƥޤ̤ n ʲξǡ
(n^12 + 3 * n^6 + 6 * n^3 + 6 * n^7 + 8 * n^4)/24 ̤
ȷ׻ǤƤޤޤ n = 2 ǡ218 ̤ꡤˤʤޤɤϡݥꥢǤ
ˤϷμɬפǡޤʬˤǤƤޤ

ʤ꤬CRYING DOLPHINΥȤǤפˤʤäˤꡤǼĤˤʤäơݥꥢΤޤ
ϡϲˤ򸫤ƥܥܥٶʤΤǡƻ󤷤Ǥ
ͥνȡ 1025ʲС 16:09:30 38514