̤ꤹ
Ѥñ̤cmפˤʤäƤޤ
426ڡ 0:55:08 39267
ޥ
ߤޤ󡢺դϽ𤬤äơťפƤޤͼ˵ޤǺäθڤ򤢤ޤꤻ̤ޤޡȤʤäƤޤޤ褦䤯ۤ褷ƸڤƤߤȤ˴ְ㤤Ⱦ¡ᣴcmȤϤǤˡꤷְäƤǤϲ򤱤ʤȤʤäƤޤ

ꡢեȷǼĥѥɤѹԤäȤǤ֤ɤȤˤ뤫פϾͤޤ

Ǥ򤪤ѿޤǤm(__)m
iMac 426ڡ 12:27:39 HomePage:39268
abcba@baLLjugglermoka
äơ٤ȤаȯǤ͡ʬϸ򼴤ޤ֤OQPϰľ¤֤ȤΤǤ8:15:17ȤäƲ򤭤ޤƤ٤ϻϰϤǤ礦?
426ڡ 12:30:41 39269
CRYING DOLPHIN
դϴäǰŪ˰˺ܤä㤤ޤ
Τ˴ְ㤤˵դƽ褦Ȼߤ⡢Ƭޤ餺ὢorz

Ƥ黻Dz򤱤ޤ
http://cdcdcd.sansu.org/pika/junkfoods/san1-20120426-hanenori.PNG
ȾߤȾOR325cm
οޤΤ褦ˡޤ֤̤ޤȾߤȤǤ
Ⱦߤ濴SȤȡSQPϰľ¤ӡSPOR5cm
SOPϡSPPO53ľѻѷġ
ޤ֤θSOľ򤷡θMоSOȤʤġ
ˡMSP˸MHȡϢ
HPSPȾʬ2.5cmMHOPȾʬ1.5cm
٤δط顢SOPSQMMHQϤǤ롣
ꡢMHHQ1.553ȤʤΤǡ0.9cm
äQP2.50.91.6cmʤΤǡOPQ31.622.4cm^2
ά 426ڡ 12:46:52 HomePage:֤äƤߤ39270
ģ©
ʣ᤮򸫤ơ
Уѡ֡ϣѡᣵݦ֡ǻʿ򤤤ȤꤢФ
äֻβˡפͤ褦ȻפäƤΤǤ
Ȥꤢͤޤ
426ڡ 12:41:43 39271
̴
äƤ12/5ˤʤʤǼĤˤʤ˰ܤȤDzäƤޤˤʤޤΤǺȺ٤ޤ10餤ޤǤΨ14̾ϤɤʤäΤǤ礦ϡ39269ƱǤ٤ϻǤϤʤȻפޤ
ٻΤ桡 426ڡ 12:42:59 39272
fumio
ؼǤΥơޤǤ
⤦ҤȤġȾ¤Ͽľ˸ؼǤϽޤ
ؼλDz򤱤ޤޥ뤵
426ڡ 13:20:52 39273
uchinyan
Ϥˤϡơϡ
ī򸫤ơȤDz򤤤ơǼĤȤޤʤ
ʤΤǡʿɸȤäƲ򤤤Ƥߤ顤ƱͤˤʤäơϤʤ
ɤʤȻפäơ԰򸫤顤ͤ˾ʤ
ϲʡȻפäΤΡʥ륫󤬣̤ʤΤǡδ㤤ʡȤפޤ
괺ȿͤäơ¾ΤȤ򤷤Ƥޤ
ɤɹ򤷤褦ǡ褫äǤ

ޤ֤߸̤ϡ줬 O ľ¤ܤ뤳Ȥ顤
PQ αĹ O'P = 5 cm Ȥʤ O' 濴ȤߤΰˤʤäƤޤ
ޤޤ֤ OO' θ M ȤȡоꡤOM = O'MQMOO' Ǥ
ǡM O'P ˿β­ H ȤȡMH//OP ʤΤǡ
O'H = HP = O'P/2 = 5/2 cmMH = OP/2 = 3/2 cmǤ
ǡQHM QMO' OPO' ʤΤǡQHMH = OPO'PQH(3/2) = 35QH = 9/10 cm ˤʤꡤ
QP = HP - QH = 5/2 - 9/10 = 8/5 cmOPQ = OP * QP * 1/2 = 3 * 8/5 * 1/2 = 12/5 cm^2ˤʤޤ
ͥνȡ 426ڡ 14:09:48 MAIL:uchi@sco.bekkoame.ne.jp 39274
ͣ.ǥ
ɤͤƤ⡡12/5ʣ2ˤˤʤʤΤǡΥȤ뤫԰ľ
뤫ԤäƤޤ12/5ȤʤäƤäȤޤ
#39271ƱؤˤˡǤCRYING DOLPHIN#39270ˤȡǤ
򤱤ΤǤ͡æ˹
Ⱦ¤4ȡ345ĤơѤ 21/16 Ȥʤäơ줬äΤǤ͡
426ڡ 14:20:23 39275
uchinyan
ǼĤɤߤޤ
Ⱥ𤬤äΤǡϲˡʬϤƤޤ

(ʲ㴳ޤ)
ʤϼϰϤǤ
ߤ˴ؤ̯ˤʤޤ졼ʬ¿ޤ
̤ˡ߼ѰȤߤܤͳѷʤɡʣϡǤϤʤ褦Ǥ
äȤ⡤ľ¤Ф߼ѤľѤȤΤϡߤȤľѻѷª뤫餫
Τ褦Ǥ濴Ⱦ¤ȿľ餤⡤ľŪ餫Τ褦Ǥ
ޤޤ֤ˤо⻻Ǥ礦
Ȥʤȡ#39270#39274ʤɤϻˡȻפޤ
ǡʿϡ̾ϡ34551213 ʤüͰʳϻޤ
餯̤ˤϡ̵Ϳ뤫Ǥ礦
٤ϡδؼˡʤΤǤ̾ϱߤȤΤǡǤϤʤ褦Ǥ
󼡼ФƤ뤳Ȥ⤢ޤ
ͥνȡ 427ʶ 11:54:40 39276
sinnta
ǧڤǤޤʬʤäΤǡ
ʲˤʤΤϤäƤޤ
426ڡ 19:18:37 39277
Ҥ
2.4ˤˤϡ狼ʤäΤǷäƤߤޤ
䡼Ť
426ڡ 19:41:30 39278
mukku
ʤ󤫲Ǥ
426ڡ 20:18:59 39279
X
ϤꤽǤϾޤäޤ뤵ϢꤤޤޤǤϤޤ󤬳ڤߤƤޤ
426ڡ 20:43:51 39280

12/5ǹäƤΤǤ͡#39271,#39275ƱؤˤˡǤ
38/5212/5
ۤ٤ϻפĤޤǤ
ʤäΤǡޤܤȻפäƤޤɤäǤ
ڤǤޤ
꤬Ȥޤ
427ʶ 5:42:12 HomePage:39281
ʸ
ʿDz򤭤ޤ

٤äƤɤʤǤ礦͡
ɻѷƳ龮Ǥ򤱤ʤȤϤʤ⤷ޤɤ⡦
427ʶ 13:07:36 39282
ϥ饮㡼ƥ
عԤäƤޤƬǿޤʤȲ򤱤ޤǤޤޤ̤ϤǤ
427ʶ 22:33:33 HomePage:湩ؤ˥39283
̤ꤹ
ǧڤϲϤ21/16Ǥ
CRYING DOLPHINοޤǸSO=5OP=3ΤȤΩʤΤǧޤ
428ڡ 11:14:40 39284
Ȥ
ɸ֤ޤ

ɸO,ľOPxȤ
ޤ֤̤αߤľPQˤ
ޤ֤PεΥľOQʸȤθ
ޤǤƱ濴(3,5)(x-3)^2+(y-5)^2=25
x^2+y^2=25Ȥθxmaximaǵ
expand((x-3)^2+(y-5)^2-(x^2+y^2))$
solve(%=0,y)$
rhs(part(%,1))$
solve(x^2+%^2-25)$
rhs(part(%,1));-(5*sqrt(561)-51)/34
rhs(part(%th(2),1));5*sqrt(561)+51)/34
factor((17-3*%th(2))/5);(3*sqrt(561)+85)/34
factor((17-3*%th(2))/5);-(3*sqrt(561)-85)/34
ߤȱߤθ
(-(5*sqrt(561)-51)/34,(3*sqrt(561)+85)/34)
(5*sqrt(561)+51)/34,-(3*sqrt(561)-85)/34)
2Ĥ̤xmaximaǵ
e1:(3*sqrt(561)+85)/34=-k*(5*sqrt(561)-51)/34+l$
e2:-(3*sqrt(561)-85)/34=k*(5*sqrt(561)+51)/34+l$
solve([e1,e2],[k,l]);k=-3/5,l=17/5 y=-3*x/5+17/5
ľx=3Фyͤ뻰ѷ3ι⤵*⤵/2
(-3*3/5+17/5)*3/2;12/5()
˭ԡ 428ڡ 21:41:35 39285

ɸˤƱߤĽФʤ̤ľ
x^2y^2äΤǰ֤ǽФޤ
429 11:03:08 39286
Ȥ
#39286

>x^2y^2äΤǰ֤ǽФޤ

Ǥ
#39285 Ѥʷ׻ʤûΤˤʤޤ
ˤ꤬Ȥޤ
ʬǵդǤ¾ΥȤäƤƸľ
ȤФ褫äΤǤ

ɸO,ľOPxȤ
ޤ֤̤αߤľPQˤ
ޤ֤PεΥľOQʸȤθ
ޤǤƱ濴(3,5)(x-3)^2+(y-5)^2=25
x^2+y^2=25Ȥθ̤ľ
expand((x-3)^2+(y-5)^2-(x^2+y^2))$
solve(%=0,y);y=-3*x/5+17/5
ľx=3Фyͤ뻰ѷ3ι⤵*⤵/2
(-3*3/5+17/5)*3/2;12/5()
˭ԡ 429 20:40:13 39288
祦ե
ФʤơɺɸǤäȯǤ
PΤȤΰ֤OQαĹˤȤΤˤϵŤޤǤ
52ʿ 21:23:58 39290