miki
񤭹߰־꤫ʡ

1:3Ȥޤޤ
1220ڡ 0:06:29 31321
SUPERSPECIALSEMTEX
̤
ͻԡ 1220ڡ 0:12:32 MAIL:leonhard_euler0218sss@yahoo.co.jp 31322
Ϥʤ
ǽ飱ǤꡢΤ9/16ꡢʤˤ㤦Ρ
(((ء`)ȤäȹͤƤޤ

£ô֤ˢEPC60٤ȤʤPȤäơEP٤СǤ
1220ڡ 0:13:35 31323

ؤ;ȤäƢ壱ȤǤƤƲ򤤤Ƥޤä
ܡ 1220ڡ 0:15:38 MAIL:daisuke18@sb.dcns.ne.jp HomePage:31324
banyanyan
ޤ٤äƤޤޤorz
1220ڡ 0:16:35 HomePage:뤤²ײݻ31325

ECDȢBFEˤʤ褦ˣ£þƤȤޤ
ȡBFE=ECD120٤ȤʤޤΤǡEFC60٤Ȥʤޤ
äơECF=60٤ꡢEFCѷȤʤޤ
EC=ΡȤϰۤʤʪ)ȤȡFC᭡BF᭣Ȥʤޤ
äơECDѤϡ
12*1/16*3*1/9 1/4Ȥʤޤ
1220ڡ 0:19:09 31326
sugitakukun
ޤ̯ʤȤѤäĤФϡsugitakukunǤ

Ȥꤢ΢֤CD:DE=1:3ʤΤǡX3XȤǤ֤Ƥޤ
ǡABE=BDEǤȤܡ
E̤BCʿԤABȤθFȤȡѷBEF΢֤λѷηˤʤޤ
ǡCDEȢFBE椬1:3ʤΤǡFB=3X,FE=9X.
ǡAFEѷʤΤǡAF=AE=FE=9X.
äơѷABCϰ12Xʬޤ

ȤꡢABC:ECD=1212:13=48:1=12cm^2:?cm^2ȤʤΤ
ECD=1/4cm^2ġʲ

ǽ鲿ΤBDE13/4cm^2ΤϤ̩

;̡
纮κݥȥ󥭥󥰤ϡ1ĤƤڤڤ䤵ͥꤷޤޤ24614ȰꤷӤ88PtsƤνͥǤ
ɤ򸫤TaroϵڤФV9ǥȥåפȤʤޤ

ڤڤ䤵󡢤ǤȤޤ
KKS衡 1220ڡ 0:19:47 MAIL:sugitakuunikun@msn.com HomePage:White Shadow31327
Melvy
AB // EF ʤ F BC ˼롥
BFE ECD 3:1 ʤΤǡ
EFC ѷʤΤȤä AE:EC=3:1
CD = 1/3 EC = 1/12 BC Ȥ狼Τ롥

󥯥󡪡(^-^)
Ȥޤ˥󥯥󤷤ʤΤǤĴڤؤΤΤޤ ()
1220ڡ 0:20:24 HomePage:ˤ ʤˤ⤢ޤ31328
tl
դ1/12⤵1/4Ǥ͡
http://ff.sansu.org/sansu/579.gif
1220ڡ 2:52:42 31329
ߤ
޷ˡDz򤱤Ȥ줷Ǥ͡ʬ򤱤ȡֺϴñäǤϡפ
פäƤޤޤʶСˡޤǣĥޤ礦

ѷãţĤȻѷţ£ĤʻˡäƣģáãŤϣ

£þˣãšãƤȤʤ褦ƤȤ롣ѷãţƤѷ

ѷƣ£Ť⻰ѷãţĤʻˡ

ģäĹ򣱤Ȥȡãšãơţơᣳ£ơ᣹á£ơܣƣáᣱ

դĹѤơߡʣˡߡʣˡᣱ
1220ڡ 0:29:14 31330
ǥ
Ť̤¤ʿ£äȤθƤȤȡţƣäѷ
ޤţ£Ƣ梤ģţáϣ
äơãġ[1] Ȥ ţơƣáţá[3] ,£ơ[9]
äơţãġᢤ£ţ/12(£/4)/123/121/4
ȡϴñǤ
1220ڡ 0:33:46 MAIL:cacrh525@hcn.zaq.ne.jp 31331
⡼ޥ
ߤ󤵤ƱǤ
򤱤Ƥ줷 ^^v
1220ڡ 0:34:11 31332

Ȥ٤줿
1220ڡ 0:39:26 31333
ޥ
դߥʤä褦DzǤ
ϡ̣͡ʹ⣳棳ˤ˰㤦Dz򤤤ƤäơͤȤ1015ʬDz򤱤Τǡʣͤϻ桢⤦ͤˡޤñʡȻפʤνǤ
iMac 1220ڡ 0:42:04 MAIL:masaru-y@sansu.org HomePage:31334
ʸ
˺Ƥ
ˤäƿ޷
1220ڡ 0:44:07 MAIL:kyorofumi@msn.com HomePage:ʸ31335
banyanyan
ٲžǤⲿΣְ㤦ʤϤꤪϼϼޤ

http://banyanyan.up.seesaa.net/image/sanchalle-579-1-4.jpg
1220ڡ 0:46:15 HomePage:뤤²ײݻ31336
Х륿
banyanyanƱٲž򤭤ޤ
οĹäǤޤޤʬν٤⡢
򤯤Τˤ⣳ʬ⤫äʤǤ͡
1220ڡ 1:14:09 MAIL:barutanace@yahoo.co.jp 31337
⡼ޥ
#31336
banyanyanΡ
1220ڡ 8:38:25 31338
uchinyan
Ϥˤϡơϡ
¿ʬɤʤƱȻפޤ

E AB ʿԤ BC Ȥθ F Ȥޤ
餫 EFC ABC EFC ѷä EFC = 60Ǥ
ǡECB = 120= DCEFBE = CBE = CED ʤΤǡFBE CED Ǥ
줫顤FBCE = FECD = BEED = 31 ǡEFC ѷäΤ FE = FC = CE ꡤ
BFFC = BFCE = 31FCCD = FECD = 31BFFCCD = 931 Ǥ
ǡECD = CD/FC * EFC = 1/3 * EFC Ǥ
BCFC = (3+1)1 = 41 ʤΤǡEFC = (1/4)^2 * ABC = 1/16 * 12 = 3/4 cm^2 ʤΤǡ
EFC = 1/3 * 3/4 = 1/4 cm^2 ˤʤޤ
ͥνȡ 1220ڡ 11:23:46 MAIL:uchi@sco.bekkoame.ne.jp 31339
uchinyan
ǼĤɤߤޤ

#31321
1:3Ȥޤޤ
ȤˡE AB ʿԤˡƱ褦ʤΤǤ礦

#31323#31326#31328#31329#31330#31331#31332#31339
ʥХꥨϤޤE AB ʿԤΤȻפˡ

#31324
Ѵؿˤˡ

#31327
EBD CED ȡ
E̤BCʿԤABȤθFȤȡѷBEF΢֤λѷηˤʤޤ
Ѥˡ

#31336#31337
EBC
䣶ٲž
ˡޤϤޤäƤǤ͡
ͥνȡ 1220ڡ 11:53:28 MAIL:uchi@sco.bekkoame.ne.jp 31340
ϥ饮㡼ƥ
Ϥ褦ޤEBCѴؿǴñ˵ޤΤ
줫׻ޤ

˹ԤäƤޤ
1220ڡ 14:01:17 HomePage:湩ؤ˥31341
ϥ饮㡼ƥ
HomePageѹޤ
1220ڡ 14:03:05 HomePage:湩ؤ˥31342

#31320
ֻҤȤäƤߤƤϤǤ
饹ȥ졼ۤɼͳϤʤǤ޷ʤ齽ʬǤ
ɬפ˱ƻȤʬƤޤ
Ǥ衣
1220ڡ 14:16:10 31343
Ѥ
ǿƤޤ٤ޤ
Ť¤ʿDz򤭤ޤ
֡ 1220ڡ 18:15:14 HomePage:31344

#31343
ֻҤȤäƤߤΤǤ򤫤ΤϤäȤӤǤ
äΥɥХǤߤޤ
ܡ 1220ڡ 18:36:52 MAIL:daisuke18@sb.dcns.ne.jp HomePage:31345
banyanyan
#31320
IllustratoräƤޤߤmicrosoft줿VisioȤäƤޤ
ֻҤȤ䤹ߤǤˤͭǤΤǡե꡼ΥɥեȤǤInkscapeʤɤǤ礦
http://www.inkscape.org/

ȤäIllustrator˶ᤤ褦˻פޤǥեȤSVGΥեˤʤޤӥåȥޥåפ˥ݡȤPNG¸Ǥޤ
ᤷ˺οޤƤߤޤ

http://banyanyan.up.seesaa.net/image/test-inkscape.png
1220ڡ 18:41:13 HomePage:뤤²ײݻ31346
banyanyan
#31345
InkscapeW3CɸLinuxǡMacOSǡWindowsǤ⤽äƤ褦Ǥ
ʤߤ˻VistaǤ˥󥹥ȡ뤷ƻѤƤߤޤʤưޤ
1220ڡ 19:05:17 HomePage:뤤²ײݻ31347
Ф
󡣳Τ˰פäCDE梤BEDɡŤ¤ʿԤľ£äȤθƤȤȢţģƢ梤£ŤȤäˤФƤΤ졩͡
1220ڡ 21:57:00 31348

#31345#31347
󥹥ȡ뤷ƻȤäƤߤޤInkscapeեȤǤ
Ϥ⤦ƤޤäΤǡ󤫤Ȥ碌Ƥ餤ޤ
ˤ꤬Ȥޤ

http://wwwa.dcns.ne.jp/~orienteering/link1-2.html
ܡ 1221ʶ 14:03:51 MAIL:daisuke18@sb.dcns.ne.jp HomePage:31349
Ф
֤˺äǤפ뤫ʤ
ѷ£äꡢФ롣Сᣱ£СᣲãС壳ΤȤѷΰդĹƤ
1221ʶ 21:10:36 31350
Ѥ
#31350
http://www.diced.jp/~eityan/hoka/toitoi.gif
;ȤäƢ壶Ǥ礦
֡ 1221ʶ 21:51:09 HomePage:31351
banyanyan
#31350,#31351
BPC=90ǡ
BC^2
=BP^2+CP^2
=2^2+3^3
=4+3
=7
7Τ褦ʵġ??
1221ʶ 22:38:29 HomePage:뤤²ײݻ31352
Ѥ
;θְ㤨Ƥޤ2ܤ˺ޤ
壷Ǥ
Ѥ
֡ 1221ʶ 23:13:20 HomePage:31353
Ф
ǽޤǡ1֤ȤäȤǤˤƤᤤʶáˡľޤ񤷤ǺǤͤϡƼ䤹ΤɤΤǤϤʤ
1222ڡ 9:43:12 31354
ǥ
#31350
ФƤ褦Ǥ˲򤤤Ƥߤޤ
ãФä濴ˡãã¤˽Ťʤ褦˲žФΰưСǤȤ
£УСǤľѻѷʤΤǡܣ£Сǣá150Ȥʤꡢ;Ѥơ£á壷

Ѥ()ο(#31351)򸫤,ž뻰ѷ㤦ۤǤ(ʤۤɡɤǤ⤢Ǥ)
1222ڡ 10:47:46 MAIL:cacrh525@hcn.zaq.ne.jp 31355
N.Nishi
뤿Ӥ˵פ֤ꡣ
1223 22:20:32 31356