!!!
APDOQDʤۤ
͡ 1015ڡ 0:08:23 43792
Ȥ
ɸD(0,0),A(a,0),B(a,a),C(0,a),P(a,20/a),O(a/2,a/2)Ȥ
ľDP,ACȤθQAQ=20/aaޤ
AD*(Oyɸ-Qyɸ)/2ޤ롡XMaxima

part(solve([y=20*x/a^2,y=-x+a],[x,y]),1)$
rhs(part(%o1,1))$rhs(part(%o1,2))$
rhs(part(solve(num(factor((%o2-a)^2+%o3^2-(20/a)^2)),a),2))$
ev(%o3,a=%)$
factor(expand(%o4*(%o4/2-%o5)/2));5()
˭ԡ 1015ڡ 0:28:28 43794

APD梤OQDʤΤAD^2:OD^2
AD^2ABCDѡOD^2OD1դȤѡʢODAΣܡˤʤΤȾʬ
äAD^2:OD^2=2:1Ȥʤꣵˤʤޤ
Ϻꡡ 1015ڡ 1:45:30 43795
٥륯åĥ
ѡ
ġߣġϣġߣϣġ21ʤΤ21
10ߡ1/2ˡ5
1015ڡ 0:33:55 43796

ŪʲDz򤭤ޤ5
1015ڡ 2:29:17 HomePage:43797
ǯ
ɤä
ǽ狼ʤäΤǡؤäơ٤׻ְ㤤Ǥ᤿
٤ߤƤ顢ɡǡ
ģФܣģ¤ʬǤ뤳Ȥ˵դޤǤ˻֤äʷ
СУ¡ϣѡѣʤΤ
Уġ£ġģϣѡģϣģϣ£ġᣱ
ʤΤǡģϣѡУġᣵ (cm2)Ȥޤ

1015ڡ 3:15:03 43798
ȤޤԤ
DPѤʬȤʤ뤳ȤAQ:QO=2:1DO:OB=1:1
ͥ饦顢AP:PB=1:2PQ:QD=1:2+1
ϤȤäƷ׻
10x2x1/2)(2+1)/(2+2)= 5
1015ڡ 6:05:54 43799
AD164©
⣲ĤλѷѤޤξ硢Tǡޥۤ򤰤뤰󤹤ȡ޷Ϥ򤱤Ȥ󥯥Ƥ褦Ǥ
1015ڡ 8:25:54 43800
CRYING DOLPHIN
˵դʤäȤԥ奦ϤäƲ򤤤餷....(
ttp://cdcdcd.sansu.org/pika/junkfoods/san1-q948-koma2gire2.png
ï⤤ʤԳϡ 1015ڡ 10:38:46 HomePage:֥⤢롣43801
uchinyan
Ϥˤϡơϡ
ϻȤƤϰפǤ礦ȤƤɸŪפᤫʡ
ʴǡ

AP = AQAPQ = AQPDQO = AQP = APQDOA = 90= DAPDOQ DAP
DOQDAP = (DO * DO)(DA * DA) = (OAD * 2)ABCD = (ABCD/2)ABCD = (1/2)1 = 12
DOQ10 = 12DOQ = 10 * 1/2 = 5 cm^2ˤʤޤ

ޤǤ̤ξǤʤȤʤꤽǤ
η׻ϼºݤˤϿޤȤˤƹͤȻפΤΡ
ʤɤǤٶƤʤȾ񤷤Τޤ͡
ͥνȡ 1015ڡ 11:44:53 43802
̤ꤹ
ؤDz򤤤μǤβˡΤꤿ
1015ڡ 12:43:14 43803
uchinyan
ǼĤɤߤޤ


ʲεҤϡ⤽ϻ伫ȤٶΥ˲᤮ʤΤǤ
޳ѤʤΤǤͤޤǤˤȻפäƸΤǤ
Ȥ⤢äơˡʬϻ F.A.Q. ΡֻϰϡפεҤ򻲹ͤˡ
ĿͤǤиǼŪ˹ԤäƤΤǤäơҴŪʤΤǤϤޤ
ޤǤ⤴ͤǤ餺

#43792#43795#43796#43800#43802#43809
DOQ DAP DOQDAP = (DO * DO)(DA * DA) = (ABCD/2)ABCD = (1/2)1򤯲ˡ

#43798#43806
DP ADB ʬAPDABD = DOQDOAABDDOA = 21򤯲ˡ

#43801
DP ADB ʬܤ˿ޤ APAPQ ȾʬʤɤǤޤʬ䤷Ʋ򤯲ˡ
ϿŪ˶ʤ򤤲ˡǤޤлǤѥȤ⤢ޤ͡

#43807
ABD BD ޤ֤ޤǹͤˡ
Τ˽񤭹ޤƤϿη׻äƤ봶Ϥޤ
٤ʤ޼ǤΤǡĿŪˤϻǤΤǤϡȻפޤ

#43799
DP ADB ʬܤƲ򤯲ˡǤ椫 ȤäƤΤǿؤˤʤäƤޤ

#43794#43797#43803#43808
ؤˤˡ
ͥνȡ 1017ڡ 15:33:35 43804
̤ꤹ
ؤDz򤤤μǤβˡΤꤿ
1015ڡ 15:01:46 43805
Ƥ
ϣĤϢ£ĤȾʬ颤ϣѣĤ⢤УĤȾʬǤ
1015ڡ 16:31:21 43806

ˤ

http://www.fastpic.jp/viewer.php?file=0028918781.jpg

ϰϤǹͤƤߤޤ
狼äƤΤǸηäΤ褦ʴǤ
ޤΤ褦˳Ȥ
ADP=PDB
ADPᢤTDPᢤTDRᢤCDR
EDQᢤODQᢤODSᢤFDS
ABCD=4ߢADP+PBR
DAC=4ߢODQ+2ߢAEQ=1/2ߢABCD
PBT=2ߢAEQʤΤ
ADP=2ߢODQ

˽񤯤äݤǤ޲Ǽ
ˤϤʤʤǤ礦
Ƥ

ޤʤä餹ߤޤΤ餻

1015ڡ 17:00:09 43807
ʸ
椬1ݥ2դơפ֤ˡɮȤ鷺ˤǤơȤ줷
1015ڡ 16:59:41 43808
繥ޥ
uchinyanƱͤˡʬ椬פDz򤭤ޤ
ǤAPDABD = DOQDOAȤäˡˤĤơAPDȢDOQˡABDȢDOA 2ȤǤδطΩĤǤ礦ͤΤǤ褯狼ʤäΤǡФɤʤ
1015ڡ 22:27:13 43809
ѥ
ȤäƤƱäơǽܤǤϡ
ؽƳΤ򸫤¤ꡢǯǹƱǯʤǤ

˻μǤβˡΤꤿʡ
1015ڡ 23:50:27 43810
٥륯åĥ
Ͼ˾عβ鳰줿
ߤγؽƳΤäƤʤ黻ǤϤʤȤΤϤäȰ㤦ޤ
1016ʶ 0:58:05 43811
٥륯åĥ
ޤȤϲȸ̩ǤʤΤǡϤ줾ȽǤǤΤǤϡ
ʤߤˤΥȤǤλϰϤϡƱޤȤϤä񤫤Ƥޤ
1016ʶ 1:03:45 43812

ΥȤǤؼλǽǽ٥ʤΤΰǤȻפޤ
1016ʶ 12:14:08 43813
uchinyan
伫Ȥϡ˷ȤԤǤϤʤ˷ȤԤǤʤ
Ϥˤ⾮任˴ؤͤ⤤ʤΤǡȤϡȸƤ褯ʬޤ
ˤ뻻ϰϤϡΥȤ F.A.Q. ˰εҤΤǡ
ˤơԷǼĤŪ褯뻻餷Τ⡤ʤΤȾ˻פäƤޤ
äơøǿޤ󤬡

#43803#43810
ʤȤ⻻Ǥϡ#43804#43807餤ޤǤϻȸĿŪˤϻפäƤޤ

ƱϤ褷ϥᡤȤʤȡ#43801#43807餤ˤʤꤽǤ
ƱϥᡤϥᡤȤʤȡ򤭤褦ʤΤǤϡ
⤽⡤ƱγǰʤСĤο޷ƱɤŤʤ碌뤳ȤǤ뤫ɤȽǤǤʤΤǡ
ɤ褦ʤ褦ʵޤ
ʾϡ˷Ȥˤꤤפޤ

#43807
#43804ˤ񤭤ޤĿŪˤϡǤȻפޤ
嵭Τ褦ˡϤȻפޤ
ޤϤäȸޤ衣

#43809
䤳δطΩĤǤ礦
־ˡפΩʤǤ礦DP ADB ʬ ABCD ɬפǤ

ˤ衤ֻ˥󥸡פȤˤϡ
ԤΥޥ뤵ˤबֻͤϰϡפDz򤱤ꤹǤޤ (^^;
ϼͳ˲򤤤ƤΤǡ
ʬȻפϰϤǤؤǤ⤤üäǤǤϲ򤱤ʤȻפäƤ⤤Ǥ礦

षĿŪˤϡǤäƤθ뤳ȤʤɤɤؤDz򤤤ߤǤ
̵̤ݤʿؤDzɬפʤǤȿؤˤ虜虜ɬפʤǤ礦
Τϡ͡ؽƳΡλǤ礦顣

ࡤäȸ᤮ʡԲ˻פ餷顤ʤ
ͥνȡ 1017ڡ 15:35:59 43814

#43814
uchinyan

ʬ˲äƤ꤬Ȥޤ
ǤϿ޷ޤ֤Ťͤˡ򺣤ޤDz٤⸫ƤΤ
ǥ⤫Ӥ䤹äǤ

ޡȥե󤫤ľܲñ˾夲褦ʤΤ
(񤭤ǸˤƿʤǤ)
䤹Ǥ
꤬Ȥޤm(__)m

1016ʶ 20:15:22 43815
ϥ饮㡼ƥ
񤷤äǤ
1017ڡ 5:58:38 HomePage:湩ؤ˥43816
繥ޥ
uchinyan

ΤˢABDȢDOAǡDP(DQ)ADOʬȤȤ֢APDABD = DOQDOAѤƳޤ꤬͡Ȥޤ
1017ڡ 22:01:03 43817
´
եμԤǤ
ˤϽĩ路ޤڤǤ
ǽϥ롼ȤŪˡФޤ
θ#43798#43806 βˡ˵դޤ
ŤǤޤäƬȤ줿ޤ
1021ʿ 21:09:44 43818