ʸ
3:4:5λѷ򸫤Ĥƹ⤵ޤ
111ڡ 0:08:32 MAIL:kyorofumi@msn.com HomePage:ʸ31077
banyanyan
ޤ䣳ǤäƤޤäorz
111ڡ 0:12:24 HomePage:뤤²ײݻ31078
Х륿
ɸDz򤤤Ƥޤޤ
£ä˼ȡУ£äι⤵ñ˵ޤ
УѤι⤵Ϥ3/7ܤʤΤǣУѡᣳ򤫤Фޤ
111ڡ 0:36:46 31080
ߤ
ѥȤäƼºݤοޤ񤤤Ƥ顢Фʬ£äεΥ
äݤʤȤȤʬäǡդƤȡˡ

ͳϤߤʤν񤭹ߤٶޤ
111ڡ 0:59:03 31081
banyanyan
Ƥߤޤ

http://banyanyan.up.seesaa.net/image/sanchalle-572-27_7.jpg
111ڡ 1:03:53 HomePage:뤤²ײݻ31083
ߤ
ϤȤ
椫Уѡᣳ
Ѥ̤£äο­ҡ֤
ãҡᣲ
ѣң¡ᣳľѻѷѣҡ᣶
ƤȤäơľУѤεΥʬ
УѤѤ׻
111ڡ 1:24:36 31084
ǥ
УѤȣ£äʿԡѡá310£á10(cm) ꡢУѡᣳ(cm)
,Ѥ£ä˿У,ѣĤ򲼤ȡ£͡ᣵ(cm)ͣġУѡᣳ(cm)
äơ£ġᣵ+᣸(cm)
ޤ£ѡ£áᣱ顢£ѣĤ345 ľѻѷȤʤѣġ᣶(cm)£ѣá106/230 (cm^2)
袤Уѡ(3/10)£ѡ(3/10)*(3/7)*£ѣá(3/10)*(3/7)*3027/7(^2)
ȤˡǤ
111ڡ 1:28:57 MAIL:cacrh525@hcn.zaq.ne.jp 31085
banyanyan
#31084
̤Ǥ

ϤɤʤäƤΤǤ礦ϤꣳϻȤΤǤ礦
111ڡ 2:18:01 HomePage:뤤²ײݻ31086
Фݡ
ǥƱ
111ڡ 7:33:46 31087
ϥ饮㡼ƥ
Ϥ褦ޤ

Mathematica;Ǥ
111ڡ 7:38:11 HomePage:湩ؤ˥31088
uchinyan
Ϥˤϡơϡ ޤʴǡ

P, Q BC ˿򲼤­ HI Ȥޤ
PB = PC ʤΤ BH = CH = 10/2 = 5cmPQ//BC PHIQ ĹʤΤ HI = PQ Ǥ
ǡPQ//BCAQAC = 3(3+7) = 310 PQ = 3/10 * BC = 3cm Ǥ
ǡHI = 3cmBI = BH + HI = 8cm Ǥ
ȡBQ = BC = 10cm ʤΤǡQBI 345 ľѻѷ QI = 6cm ʬޤ
ǡAQQC = 37 ꡤAPQ ι⤵ = 3/7 * QI = 18/7 cm Ǥ
äơAPQ = 1/2 * PQ * (⤵) = 1/2 * 3 * 18/7 = 27/7 cm^2 ˤʤޤ
ͥνȡ 111ڡ 11:25:50 MAIL:uchi@sco.bekkoame.ne.jp 31089
uchinyan
ǼĤɤߤޤ

#31077#31078#31083#31084#31085#31087#31089
345 ľѻѷ򸫤ĤƲˡ
P, Q BC ˿򲼤B, Q, Q BC ؤο­ ˤľѻѷȤޤ

#31080
ɸˤˡ

#31081
ޤˤˡ

#31088
Ѵؿˤˡ
ͥνȡ 111ڡ 11:35:18 MAIL:uchi@sco.bekkoame.ne.jp 31090
Ф
ʤΤǡˤäƤߤޤ

ABCBCġACŤȤä顢AB=AD=DCBE=CEBED=ˤʤäACB礭ʤ
111ڡ 12:39:56 31091
banyanyan
#31091
45/2

http://banyanyan.up.seesaa.net/image/test1.jpg

ʤǤɡġġ
111ڡ 13:36:16 HomePage:뤤²ײݻ31092
ޥ
ȡ٤ʤޤm(__)m

󤪻̤ꡢ3:4:5λѷѤޤ
111ڡ 14:01:17 HomePage:31093
25no12
ˤϡ

ȤޤߤʤȤ̯˰㤦Ȥʤ̵̤¿ˡˤʤޤ
P,A,QBC˲­H,I,JȤơ3:7BH, HI, IC, JC, BJνǵơBQJ3:4:5ľѻѷǤ뤳Ȥʬꡢ줫QJ, AI֤ʬäơǸˢAPQ=(3/10)^2*ABCǷ׻ޤ

ҶлҡˤձܡȯɽؤʤΤǤˡοߤʤɤäƤơɥХƤơ¸ߤ˺Ƥޤ
󻲲äʤФʤ櫓ǤϤʤΤǤȤʤ轵ιԻˤʤäƤΤǡ
112ʶ 16:05:03 31094

ؤǤ
ļˡ 112ʶ 16:33:58 31095

פĤʤäΤǺɸȳѻȤäľ򤱤ޤ
ǤʤƬǤ
ļˡ 112ʶ 16:51:06 31096

ͧ˥ҥȤäƤʤȤDz򤭤ޤ
ܡ 112ʶ 18:02:46 MAIL:daisuke18@sb.dcns.ne.jp HomePage:31097
nno
#31038,#31052 ꤬͡Ȥޤ
dz꤬򤱤ˡ
äֿ򸫤뤳ȤޤǤ
#31038ϡʬ狼ɬ׾äƴǤ͡
#31052ϡʤۤɡԥޤ
ɤ⤢꤬Ȥޤ
112ʶ 19:58:55 31098

֤äƤäȲ򤱤
ñʤȤ˵ŤޤǤޤǤȤϡ
ȤФƤޤäȤ԰Ǥ͡
112ʶ 22:49:44 31099
ayaka
ϿƤޤˤʤäƤߤΤǤñǤ򤤤äѤñ
ʤäʡ
345 ľѻѷ򸫤ĤƲˡѤޤ
ϾγڱǤʤʡ˳Ծڤʡ 113ڡ 15:03:10 MAIL:jjyhr530@yahoo.co.jp 31100
KT
ͤˤʤ񤷤ͤ㤦Τ֤ä⡦
117ʿ 8:49:17 31101
㡼ߡ
꤬Фޤ͡
Ȥ礦Ȥᤰ 118ڡ 0:02:08 MAIL:ojamaru@amber.plala.or.jp 31102