http://pic.2ch.at/s/20mai00382917.jpg
1+4/2ǻ
310ڡ 0:06:22 37499
ߤ
դѷߤͤͤߡǤǤ礦
310ڡ 0:10:04 37500
CRYING DOLPHIN
ABPײ60ٲžƢCBQĤȡ
ABPܢBPCᢤPBQPQC

PBQϰդ1cmѷ
PQCϡQPC1506090١PQ1cmQC2cm顢
30구פǡPBQѤ2ܡ

ҤʤȤʤΤǤ礦
ñ̤ξȤ
ɤǤ᤿ 310ڡ 0:12:27 HomePage:ƻ37501
㡼ߡ
4ϢƤʤ餺޷϶Ǥ
60 ٲžѤޤ
BP AC ľ򤹤Ȼפߺ𤷤Ƥޤޤ
310ڡ 0:13:54 37502
ߥͥ
PBCžޤ
ƱĹդ򤯤äĤΤϤ褯ˡǤ͡
ϴñäΤǤϡ
310ڡ 0:22:22 37504
ͣ.ǥ
˽񤫤줿Ʊ褦ˡ£ãФ¤濴Ȥȿײ60ٲžޤ
Ȥꤷơѷ£äβܤȤƹ֤ͤޤ
ʤߤ, 3/7 ܤȤʤޤ
310ڡ 0:40:47 37505
tomh
˰³ֹ椬Ƥޤ

Q733 Q732
Q734 Q733

ޥ뤵᤯ľۤǤ (^^)
ԡ 310ڡ 1:10:51 MAIL:tomh@yahoo.co.jp HomePage:http://www.geocities.jp/tomh/37506
aibo
ƱPBCž11ѷ12ѷ1/214/23()
310ڡ 1:30:27 37507
⡼ޥ
ä...^^;
Ѱư...1ѷ1+βգѷ1/2դΤȤ狼Τ...
1+2^2/2=3

֤᤮...^^;;...
310ڡ 2:12:46 37508
Ȥ
ɸǤޤʣǤƤƳڤޤ

ѷΰդaȤ
B,C濴ȤߤθȤP᤽줫
PCĹƢBPC;Ѥ
e1:x^2+y^2=4$
e2:(x-a)^2+y^2=1$
solve([e1,e2],[x,y])$
part(%,2)$
factor(((part(%,1)-a/2)^2+(part(%,2)-sqrt(3)*a/2)^2))$
sqrt(%)$
expand(1+%th(2)-a^2+2*%*sqrt(3)/2)$
factor(%)$
num(part(%,2));2*sqrt(3)*sqrt(-sqrt(3)*sqrt(-a^4+10*a^2-9)+a^2+5)-sqrt(2)*sqrt(3)*sqrt(-a^4+10*a^2-9)-sqrt(2)*a^2+7*sqrt(2)
part(%th(4));sqrt(-sqrt(3)*sqrt(-a^4+10*a^2-9)+a^2+5)/sqrt(2)
ʾmaxima
μʣʤΤ
mupad light 2.5.3 Dz򤭤ޤʲΥɤǤ
solve(2*sqrt(3)*sqrt(-sqrt(3)*sqrt(-a^4+10*a^2-9)+a^2+5)-sqrt(2)*sqrt(3)*sqrt(-a^4+10*a^2-9)-sqrt(2)*a^2+7*sqrt(2),a);
a={-2,2(ʸޤ),sqrt(7),-sqrt(7)}ꡡa=sqrt(7)
PCĹ
a:=sqrt(7):
expand(sqrt(-sqrt(3)*sqrt(-a^4+10*a^2-9)+a^2+5)/sqrt(2));sqrt(3)
BPAѤ
a1:=1:
b1:=2:
c1:=sqrt(7):
expand((a1+b1+c1)*(b1+c1-a1)*(c1+a1-b1)*(a1+b1-c1)):
sqrt(%)/4;sqrt(3)/2
BPCѤ
a2:=1:
b2:=sqrt(3):
c2:=sqrt(7):
expand((a2+b2+c2)*(b2+c2-a2)*(c2+a2-b2)*(a2+b2-c2)):
sqrt(%)/4;sqrt(3)/4
ξ­
sqrt(3)/2+sqrt(3)/4=3*sqrt(3)/4
sqrt(3)/4dz3
˭ԡ 310ڡ 2:39:09 37509
Ѥ
ѷAPBB濴˲žޤ

ǤعʤޤǻǤǤ
Ĥޤդޡ 310ڡ 9:36:22 HomePage:Ĥä37510
namba
PAB,PBC,PCA򤽤줾AB,BC,CAޤ֤ƹͤޤ
ޤ֤Pʻˤ֤306090ľѻѷȤ狼Τ
APC=90롢APB=120롢PC壵
ϻѷѤޤ
ǤϤʤؤˤʤäƤޤޤǰ
310ڡ 9:42:41 37511
abcba@jugglermoka
#37505

ʬϤ3/7ޤ
310ڡ 10:10:09 37512
ͣ.ǥ
#37510
Ѥ(?عʤǤȤޤʤȯŸ򤵤Ʋ
#37512
Ƥ֤ơۥäȤޤʤʤȤʤƶᴶΤǤ͡
310ڡ 10:28:42 37513
cyclone
ABPABȡBCPBC򤯤äĤƿѷ
΢ܡ 310ڡ 10:42:33 37514
uchinyan
Ϥˤϡơϡ
ϡȤƤϴñȻפޤΨ⤤
Ūˤϡ빽񤷤ǤϤʤΤʤϤꡤϥ٥뤬⤤Ǥ͡

PBC B βȿײ˲ž BC BA ˽ŤͤޤAB = BC ʤΤ C A ˽ŤʤޤP ΰư Q Ȥޤ
ȡQBP = QBA + ABP = PBC + ABP = ABC = 60롤BQ = BP = 1 cm ǡBPQ ϰ 1 cm ѷǤ
ơBQP = 60ʤΤǡAQP = AQB - BQP = CPB - BQP = 150- 60= 90ˤʤꡤ
PQ = BP = 1 cmAP = 2 cm ʤΤǡAPQ AQ ˴ؤޤ֤ P ΰư R Ȥȡ
PQR ϰľˤꡤAR = AP = 2 cm = PQ * 2 = PR ȤʤäơAPR ϰ 2 cm ѷȤʤꡤAPQ ϤȾʬǤ
ǡ(դĹ 1 cm ѷ) = 1 Ȥȡ(դĹ 2 cm ѷ) = 2 * 2 = 4 ʤΤǡ
ABP + BPC = ABP + BQA = APBQ = APQ + BPQ = APR/2 + BPQ
= (դĹ 2 cm ѷ)/2 + (դĹ 1 cm ѷ) = 4/2 + 1 = 2 + 1 = 3
Ĥޤꡤ3 ܡˤʤޤ
ͥνȡ 310ڡ 10:58:13 MAIL:uchi@sco.bekkoame.ne.jp 37515
uchinyan
ǼĤɤߤޤ

#37499#37501#37502#37504#37505#37507#37508(¿ʬ)#37510#37514(¿ʬ)#37515
PBC BC BA ˽Ťʤޤ B βȿײ˲žƹͤˡ
ABP BA BC ˽Ťʤޤ B β˻ײ˲ž롤ŤʤޤǤǤϤʤ 60ž롤ʤɤ⤢ޤ
ͤȤƤƱʤΤǡƱʬˤޤ

#37500
դĹ 1 cm ѷߤͤ᤿ʻҤǹͤˡ

#37509
ؤˤˡ

#37511
PABPBCPCA 򤽤줾 ABBCCA ޤ֤ƹͤˡ
ؤˤˡΤ褦Ǥͤ򤤤Τʬˤޤ

APC=90롢APB=120롢PC壵
PC = 3 Ȼפޤ

ʤ
#37510
äꤷƤޤعʤǤȤޤ ^^/
ͥνȡ 310ڡ 14:06:05 37516
namba
uchinyan
Ŧ꤬Ȥޤ
PC=3Ǥ
310ڡ 12:10:51 37517
ޥ
#37510 ʱѤ󡡤

ʡǤȤޤ
ҤMac mini 310ڡ 12:26:52 HomePage:Men @ WorkʻȤ̵طΥ֥Ǥ37518
㡼ߡ
#37510
ǤȤޤ
310ڡ 12:56:10 37519
ϥ饮㡼ƥ
ɸˤ׻Ǥ
310ڡ 18:00:08 HomePage:湩ؤ˥37520

ҤäӤλǤ͡ˤĤ֤ؼ⽪äǥåȤϱ򿭤ФäƴǤǤ͡
310ڡ 21:22:37 37521
ޥ
#37506 tomh
Ŧ꤬Ȥޤ褦䤯ޤ

줫顢ǼĤβɤʤ⡢褦䤯бޤǤ򤪤ޤm(__)m
ҤMac mini 311ʶ 12:53:47 HomePage:Men @ WorkʻȤ̵طΥ֥Ǥ37522
ޥ
Ͽ̤ä褦Ǥ̵Ǥ礦ϡΡȤ礭ﳲϤޤǤ
ҤMac mini 311ʶ 16:56:04 HomePage:Men @ WorkʻȤ̵طΥ֥Ǥ37523
ɡǤ
ϻѷ£Ф΢ܣФ120٤Ⱦ˷᤿餦ޤˤäơ
Ѥ󤵤󡡤ǤȤޤ
ؤޤޤʡ
311ʶ 22:30:44 HomePage:ץեȥ֥37524
ơ
Ѥ󤵤󡢹ʤǤȤޤ
ɡǤʤǤ͡
Ͽ̤襤Ǥ͡ߴʤΤϿ̤ΤˤŤޤǤ
ɡǤζ᤯ 312ڡ 19:35:19 37525

Ͽ
ȤꤢKIN󡢾̵ϳǧǤޤ
ŷϿ͡ 313 15:53:34 37526
ޥ
#37526
ۤƤǤɤä
iMac 313 19:21:43 HomePage:Men @ Work37527
Ѥ
ιʤˤäƤƤ꤬Ȥޤ

ϿѤǤƤޤ
󥹤岼Ҥä֤äƤޤϿ̤ݤǤ͡
Ĥޤդޡ 313 20:31:56 HomePage:Ĥä37528
礪Ҥ
ɤ⡡Ѥ󤵤عʤǤȤޤȤꤢƤ뤳ȤǤ
ͤѿƤʤȡ
315ʲС 0:15:06 MAIL:kanesiro.kazue@gray.plala.or.jp 37529
fumio
ߤʤ󡢤Ǥޥ뤵̵Ǥ褫äǤ
315ʲС 12:48:41 37530
礪Ҥ
Ͽ̤ۤǤ
Ͽ̤äȿۤǤ
315ʲС 19:58:45 MAIL:kanesiro.kazue@gray.plala.or.jp 37531
cocolo
Ҥ줿Τ̵򿴤ꤪ꿽夲ޤ
ơʾ夤ʤﳲγ̵褦ڤ˵äƤޤ

⡤ޤäƤTݥȤ˲󤷡֤̤⤷Ƥޤ

ɮǤϤޤѤ󤵤󡤤ǤȤޤ
316ʿ 18:13:54 37533
ߥͥ
˥塼ȥ󻻤ĤޤΤ褦ʾϤɤʤΤǤ礦



̤ͤ᡼ȥֳ֤¤֤ƬοͤǸοͤޤDz᡼ȥˤʤǤ礦

ͤȹͤȡ
ߡʣݣˡᣱ᡼ȥ

ڻǤڤθʤ̲ỻǤƧڤθʤʤɤǤ
ǤäɬפʤΤʡ
ϤɤޤǾܤ٤ʤǤ礦͡
316ʿ 22:19:10 37534
礪Ҥ
ͤϺǯǤϤޤǤ路ޤǤ
ۤλˤʤäƤΤǤ礦
316ʿ 23:44:18 MAIL:kanesiro.kazue@gray.plala.or.jp 37535