KKK
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ä̤ʤΤĴҤ˾äŽäȤޤ
͡ 622ڡ 0:11:23 46427
kyorofumi
sqrt((7+9)^2+12^2)/4 = 100
622ڡ 0:15:02 46428
٥륯åĥ
£äҤä֤ǣ¡ǣáǤ£äˤäĤʿԻշäơФȣѤбСǡѡǤȤꡢѤ¤˲ȣǣ¡ǤαĹθҤȤȡ345ǣѣҡ12ңá9ãСǡ7ѣңСǤȤʤѣСǡ20УѣѡǣСǤѤ2020400äƵѤ4004100Ȥʤޤ
622ڡ 0:22:28 46429
baLLjugglermoka
ѷPBM180ٲžơ12,7+93:4:5ľ2ջѷμդ20Ȥʤ롣
622ڡ 0:26:33 46430
⡼ޥ
#46430 baLLjugglermoka ͤƱǤ

΢M濴˲žȡ
15:9:12
(7+9) : 12 : 20
so
20*20/4=100


uchinyanĴĿۤǤ...
622ڡ 0:35:45 46431
Ȥ
ɸA(4*a,3*a),B(-28/5,-21/5),C(4*a,-b-15),P(0,0),Q(4*a,-b),M(2*(5*a-7)/5,-(5*b+96)/10)Ȥ
MP=MQ,ľMPη*ľMQη=-12ϢΩȤƤȤa,bޤ
MP^2/2Ǥ롡XMaxima Ǥ

part(solve([(2*(5*a-7)/5)^2+(-(5*b+96)/10)^2=(4*a-2*(5*a-7)/5)^2+(-b+(5*b+96)/10)^2,(-(5*b+96)/10)*(b-(5*b+96)/10)=(2*(5*a-7)/5)*(4*a-2*(5*a-7)/5)],[a,b]),2)$
ev((4*(5*a-7)^2/25+(5*b+96)^2/100)/2,part(%,1),part(%,2));100()
˭ԡ 622ڡ 1:11:11 MAIL:fttnm528@ybb.ne.jp 46432
ǯ
ABC180žƭA'CB롣
A'CαĹHQαĹȤθRA'CPMαĹȤθSȤ롣
QR=12cm, CR=9cmʤΤǡSR=16cmꡢQS=20cm
QS=QPʤΤǭPMQѤϡ20*20/4=100cm2
622ڡ 1:34:32 46433
鯤ο
M(0,0)C(a,0)B(-a,0)
QMCȤȤȡ
Q(rcos,rsin)P(-rsinȡrcos)

QMC;Ѥ
a^2+r^2-2arcosȡ225

cosPMBsinȤդơPMB;Ѥơ
a^2+r^2-2arsinȡ49

PB٥ȥ(-a+sin,-rcos)
QC٥ȥ(a-rcos,-rsin)
PB٥ȥQC٥ȥΤʤѤϡHAQƱ顢
PB٥ȥQC٥ȥѤ׻ȡ

(-a+sin)*(a-rcos)+r^2sincosȡ7*15*3/563

ơ
a^2-ar(cos+sin)+630

ܭ-*2

2r^2-126274
r^2200

PQMr^2/2100
//

622ڡ 1:39:11 46434
ֿء׾ι
ޤޤ줫ͤޤ
622ڡ 6:20:46 46435
ֿء׾ι
УͤαĹҤ򡢣Уͣ͡ҤȤʤ褦ˤȤޤ
ͣңâᢤͣУ¤ǤΤǡңá᣷
ңäαĹˡȤѣȢݣңȤȤʤ褦ˤȤȡ
ѣãȤϣľѻѷǡѣáᣱǤ顢
ãȡ᣹ѣȡᣱǤĤޤꢤѣңȤϣѣȡᣱ
ңȡ᣷ܣᣱܣѣȣҡ90٤ľѻѷʣˤǤ
äơѣҡᣲǤ
УѣҤľջѷǤΤǡѤ2020ࣲ200&#13216
뻰ѷУѣ͡2002100㎠Ȥ狼ޤ
622ڡ 7:51:04 46436
ֿء׾ι
ν񤭹ߤΡʿ᡼ȥθѴǤ
ꤤޤ
622ڡ 7:54:57 46437
ˤ
BMP򣱣ٲžƭCMQˤäĤPΰưP'C
ľĹQ餳ľ˿ߤ­HȤ
QCHϣľѻѷǡCH=9,QH=12
äP'H=16QP'=20=PQ
Ѥ20204=100Ǥ
Ķļˡ 622ڡ 9:17:38 46438
ˤ⡼
Ф
Υեߤ˻äƤޤ
äȤץ饤ʡˤ⤢˳ڤᤴޤ
꤬Ȥޤ

ϡĹʬäƤ룲ʬ7cm 15cmˤ
ȤǷդʤʡȹͤƲ򤭤ޤ

ä̤¤ʿԤľℓȤ롣
Ѥℓ˲­ѡ
ͣУ¤ȿײ˲žơ¤ȣä򤯤äĤȤ
Фℓ˾롣СǤȤ롣

ѣȢ梤ãѣѡǤ顢ãѡǡ᣹153/5
ͣ£ТᢤͣãСǤ顢ãСǡ᣷
ѡǣСǡ16

ľѻѷѣѡǣСǤˤĤ
ѣѡǡ12顢ѣСǡ20125/3

С͡СǤϣĤľǷФ졢УСǢݣѣ
ޤУ͡Сǣͤ顢УͣѢᢤСǣͣ
椨ˡѣСǡѣС20

УͣѤϼդ20ľջѷ
Ѥϡ2010ࣲ100

ʾ

ꡢ˥塼İʤ򤤤ƤΤǤ
ִ֡
֤
ȤҥƥåʹƤƾǤޤ򤷤褦Ǥ
622ڡ 21:36:24 46439
3N.K.
פ֤ޤ
ǶYahoo!ηޤ򤤻ؤõƲ򤤤Ƥޤ
ϡƱˡǤ
Ǥ͡
622ڡ 21:41:03 46440
̴
䡼񤷤ääΤǤɤƤé
夫ؤ;ȤƤäȤɤˤǼĤé
夭ޤ
ͤβ򸫤ơKKKͤ#46427˽쥬ȤȤ
ͤʲΤǤ͡ǽΰ㤤򤤤Ȥۤ
ޤ
#46431⡼ޥͤƱuchinyanĴۤǤ
ٻΤ桡 623ʶ 7:12:10 46441
ϥ饮ݥƥ
maximaDz򤱤ޤǤ

octaveǿͷ׻Dz򤭤ޤʾС
623ʶ 7:29:41 HomePage:湩ؤ˥46443
Mr.ǥ
ʤ˶

PBM180žȤޤǻפĤȡ345λȤǺߡ֤ޤ
ʺǶᡡ㤨ʤʡ
623ʶ 9:28:43 46444
ȤޤԤ
޷ŪˡޤMȤ Qx塢Pyꤷ
BCоΤȤꡣ PB PQ Ѥȥ٥ȥ礭
׻˵ơȤϷ׻ 100Фޤ
623ʶ 19:11:21 46445
ޥ
ꡢطؤ򥢥󥸤Ƥޤm(__)m

ˤƤ⡢Uchinyan󤬿ۤǤ...
MacBookPro 625 20:13:58 MAIL:masaru-y@sansu.org HomePage:46446
ˤ
uchinyan󡣱ʤ鿴ۤƤޤ
Ķļˡ 626ʷ 5:04:16 46447
cocogoo
ԥ饹ǤʤȤʤȤܽϤޤ׻ߥǼꤳޤ
626ʷ 23:50:03 46448