å
7/15ʬʬҤդˤʤäƤ뤫
824ڡ 0:11:02 46570
鯤ο
иɸϤǹͤ롣
AABxACyADzȤɸϤȤꡢ
A(0,0,0)B(5,0,0)C(0c0)D(0,0,3)Ȥȡ
ʿBCDϡ
x/5+y/c+z/31
P(1,1,1)ϡʿ̾ˤ뤫顢Ʋ򤯤ȡ
C=15/7
//
824ڡ 0:12:00 46571
!!!
1/5+1/3+1/x=1
x=15/7
͡ 824ڡ 0:12:08 46572
٥륯åĥ
ѷ£ãľˣ£ФĹ¡ǤȤȡ51λѷ£СУ¡ǡ41ȤʤꡢƱͤˣģСУġǡ21Ȥʤ롣
դѤ椫ãСУáǡ87ʤΤǡĹ15/7Ȥʤޤ

ǽ顢ְä17/7äƤޤޤȤ鵤ŤƤƤľ

ؤϰϤǤ⤤ʤ餤ѤդǤ䤳Ȥ򤷤ʤƤ⡢ФʤäʡˤǤФޤ͡
824ڡ 0:18:02 46573
٥륯åĥ
ѤդѤ뻻ˡ⤦ܤ񤤤Ƥޤ
У£áģ£Уá12ģУáģ£ãС14򤽤ƤȡУ£ġУ£áУã753äƣ£Уġ£ãģС78ңСá77+8ˡ715ȤʤꡢңС1á15/7Ȥʤޤ
824ڡ 0:29:06 46574
baLLjugglermoka
ߵ٤߹η׻ߥ餫ꡢܤ򡣷׻ߥΥץǤ
824ڡ 0:35:06 46575
ǯ
̤ĺP3Ĥλѷʬ䤹롣
PB,C,DĺդޤDZĹθB',C',D'Ȥȡ
BB':PB'=5:1DD':PD'=3:1CC';PC'=AC:1
BPCѤ1/3CDPѤ1/5ʤΤǡĤ7/15
տˤФ褤Τ15/7
#46572!!!#46573٥륯åĥƱǤ
1-1/3-1/58/15ȴְ㤨15/8äƤޤդΤ٤ޤ

824ڡ 1:17:19 46576
⡼ޥ
äȤ^^;
ФȤڤ줺...
ʤ٥ȥǷ׻
(1/3)CD+(1/5)CB
CPαĹBDθQϡ(1/3+1/5)*x=1x=15/8
soCQ:PQ=15:(15-8)=7
soAC=15/7
錄ǽ餤øơ15/8줺^^;;

*иɸϤäƤŨ郎ǤΤ͡
824ڡ 1:27:57 46577
ˤ
̲ˡ٥ȥDz򤭤ޤOrz
Ķļˡ 824ڡ 2:04:20 46578
̴
BCD˥ͥ饦Ȥդ椫ޤ
ٻΤ桡 824ڡ 6:14:24 46579
ֿء׾ι
Ƶ٤ߤˤ˺ƤޤˤʤäƤޤ̤Ǥ
ϻѷȥͥ饦ȥФDz򤭤ޤ
ФäưŻޤ
825ʶ 3:55:25 46580
ȤޤԤ
DBCܤơͥ饦ǽֻǤ
825ʶ 6:45:38 46581
ˤ⡼
ߤʤƱͥ饦⤷ϥ٥ڤǤޤ
޻Ա¶衡 825ʶ 20:12:10 46582
KKK
http://www.dotup.org/uploda/www.dotup.org1349658.jpg
ͥåȤǽäǤïФƤ館ȴ򤷤Ǥ
878/3ˤʤޤϤޤ
826ڡ 6:37:31 46583