٥륯åĥ
äͤȤСУ¡ãѡѣͤȤʤꡢСУ¤򥢡1Ȥȥ1ᥢ+2ʤΤǥ121ѷУѣä4224ѷѣңá4ߡ3/5ˡ2.4Ȥʤޤ
äݤʤäƤޤä

ʤߤ˷ǼĤǧڤ2.4̤ޤ
96ڡ 0:22:25 47534
Ȥ
ɸA(0,6),B(0,0),C(6,0),P(0,a),Q(6-a,a)Ȥ
ľBQ:y=a*x/(6-a),ľCP:y=-a*(x-6)/6ȤθR
ᢤPBR;aޤRyɸ,Qyɸ
aͤBC*(Qyɸ-Ryɸ)/2=QRC()ޤ
XMaxima

part(solve([y=a*x/(6-a),y=-a*(x-6)/6],[x,y]),1)$
rhs(part(%o1,1))$rhs(part(%o1,2))$
ev(3*(a-%o3),part(solve(factor(2*(%o2^2+%o3^2)*(%o2^2+(%o3-a)^2)-(%o2^2+%o3^2+%o2^2+(%o3-a)^2-a^2)^2),a),2));
12/5()
˭ԡ 96ڡ 0:29:13 MAIL:fttnm528@ybb.ne.jp 47535
Mr.ǥ
ͳѷAPRQߤܤ뤳Ȥ
BQC=CPAȤʤꡡBQC梤CPA
AP/QC=AC/BC.................
PQ//BC
AQ/AP=AC/AB=AC/BC.........

AQ/QC=AC^2/BC^2=2
ȤϡŪˡ
QRC=PQC*(3/5)=APC*(1/5)
=ABC*(2/15)=12/5
96ڡ 0:46:52 47536
baLLjugglermoka
ABQ梤RBPꢤAPC梤CQBAP:PB=2:16621/32/5=12/5
96ڡ 0:50:03 47538
ǯ
QBC+BCR=45BCA=45ʤΤǡQBC=PCA
äơAPCCQB
顢AP=4PB=2ˤФƵޤ
96ڡ 14:36:52 47539
ˤ
ѷȻʿȤޤOrz
Ķļˡ 96ڡ 8:07:35 47540
ֿء׾ι
Уѡ£áȤơУҡʣУ¡ܣ£áˡУ¡У
ӡУҡУáУѡʣУѡܣ£áˤ򤿤Ƥޤ

96ڡ 8:18:18 47541
ߤ
Υޥܤ˼ФľܰƤäơ٤ϡפȤ
ꡣľѤ򶴤դλѷȡľѤ򶴤դλѷ
줾ΤȤäѤγ٤¤Ǥ

ƬĤġꡣ
գޥ˻ѷ£äǹͤСοޤǤʤߤ
ѷ碌Τѷң£äʤΤǡȤDz򤱤Уϣˡ

󡢷Ū˹äƤȤǡޤȤʲǤϤʤʡ
96ڡ 17:39:41 47542
ޥ
http://www.sansu.org/toi1069Neta.jpg

2016ǯˮذǽꤵ줿꤬ʤǤֻǤ򤱤ΤʡפȤȤǤäƤߤơޤꥮ򤱤봶äΤǡꤷƤߤޤ...
iMac 96ڡ 23:41:45 HomePage:47543
ǯ
⤦餷
QBC+BCR=45BCA=45ʤΤǡQBC=PCAäơAPCCQB
APCȭCQBϡбĹդABCDгդʤΤǡ2:1
CQB=CPBѤʤΤǡAP:PB=2:1
AP=PQ=4PB=2
PCQѤϡPQ*PB/2=4*2/2=4 cm2
PRQCRBꡢCR:RP=BC:PQʤΤ
PRQѤϡPCQ*BC/(PQ+BC)=4*6/10=12/5 cm2
97ʶ 15:11:51 47544
鯤ο
PQ=xȤơPQBCѤ̤ɽΩ
(PQBC)*PB/2PC*BR*sin45/2
򤤤PQx=4PB=2
ȤϡQRC6*2*1/2*4/(4+6)12/5
//
98ڡ 1:03:55 47546
ޤ
ܤλҤAP:PB=2:1
ʻѷϤĤ⸫Ĥ줿ΤǤ
ϤDz򤱤ޤǤޡ
#47536 Mr.ǥޤβϼʬǤϻפĤʤǤ
AQQCФȤǰƬˤƤμѷʤǤ礦͡

#47538 baLLjugglermokaޡ#47539 Ԥޡ
Ǥ狼餺
#47544 Ԥ ǡäȤǤޤorz
̤ΥȤǡ椬ˤʤΤѤºݤ
뤳Ȥǡʿ򤷤ʤ򤱤Τǡ⤦äȽԤС
򤱤뤫⤫ġ

somewhere in the world 911ʲС 13:18:52 47547