祦ե
PDEưȤQľȤƤȤǽФޤ
38ڡ 0:08:53 39071

ѷ60ٲ󤷤ƺˤäĤ餫Ǥ

ʤ餤Ĥ߼ΨФƤȤ3.14ȤȤ񤤤Ƥʤ
Ȥפʤľˤʤ뤳Ȥοޤ
38ڡ 0:15:02 39072

ʤƱǤ
38ڡ 0:21:04 39073
kitaji
ʬˤȤäƤäǤ
ФϤǤΤΡ̤˼ȤȤʤ񤷤
38ڡ 0:42:00 39074
abcba@baLLjugglermoka
Ȥꤢ򸫤ִֵѷADCȹƱʻѷѤˤʤȤȤͽۤĤΤǤΤ˻֤ݤޤƤǤƤ뤫̯ʤΤǡηǼĤ˲ˡ񤯤ΤϳǧƤˤޤ
38ڡ 0:46:26 39075
ߤ
üäȿ椢ꤵ֤ľ߸̾
¬ΤʻǤϡ֡׻䤹褦ѷΣա᣷Ȥ

Ф˽ä
ʣСĤξ碪Ѥ̤äʬ£äʿԤľ򱦤ˣԤäȤ
ʣСŤξ碪ѤŤ̤äʬ£äʿԤľ򱦤ˣԤäȤ
ʣ˳ǧΤˡ׻䤹ģŤȣãѤľˤʤѥ
ξѤϡʣˤȡʣˤǤȤäѤ򣱡ʬǡ
ʣˤǤȤä˶ᤤۤʾˡɡѤľξưȳοǤ롣

٤ο޷ϡ
鱦ˣԤäȤġŤ鱦ˣԤäȤ
Σֻѷ
λѷѤϣߣΣѡѷ£äѤϣߣΣ
ʤΤǡߡʣˡᣴ

38ڡ 1:13:37 39076
kitaji
ʤۤ
38ڡ 1:23:03 39077
ݤ󤭤
ĤιͤȤۤƱǤ
C濴ˡPײ60žQȤʤޤΤǡ
C濴ˡľDEײ60žľD'E'QεפȤʤޤ
D'E'ޤȤˡ
C濴ˡABCײ60žѷA'B'C'
ޤȡΤʬ䤹ޤˤʤ뤫Ȼפޤ
38ڡ 1:35:37 39078
⡼ޥ
#39078
ä
ݤ󤭤ΤϹɽʤ!!
ľΤ٤ƤC濴60žƤ뤫...ä礯ľC濴60žƤ櫓ʤΤ ^^
錄...ǽPȺǸΤPAPCȹƱˤʤäƤäƤʤøʤȤ...
7*4/7^2=4/7
Orz...
38ڡ 7:48:31 39079
⡼ޥ
#39078
ä
ݤ󤭤ΤϹɽʤ!!
ľΤ٤ƤC濴60žƤ뤫...ä礯ľC濴60žƤ櫓ʤΤ ^^
錄...ǽPȺǸΤPAPCȹƱˤʤäƤäƤʤøʤȤ...
7*4/7^2=4/7
Orz...
38ڡ 8:42:41 39080
ϺĹ
⡢ݤ󤭤ιͤ˴
ǡ4/7äƽФƤޤ͡
Ф餷
38ڡ 8:47:24 39081
ģ©
ԺǤҤᤤͤϡabcba@baLLjugglermokaͤƱʤǤϤޤŪͳϻפĤƤޤ󡣤ǼĤ줿ΤǡĤƤޤޤ٤ߤˤäͤޤ

38ڡ 9:02:40 39082
ͣ.ǥ
ФŤˤȤΣѤΰ֤򡡣1ȤȡʣѤϰŪʾ
ܣģѣáܣģѣá60뢪,,1,ѤƱ߼墪ܣѣ1Сܣѣãġ60ʰ
äơѤϣģ1ȤΤʤѤ60Ǥľˤ롣ʤʥݥȡ
ФĤˤȤΣѤΰ֤2Ȥȡġá2Ʊ߼ˤ
ܣ2áܣ2Уá60롡2//£
ģ£ã1ʿԻշꡢģ1£
2ȣģ1εΥϣȣ£äȤεΥΡ4/7
͡ģѤѤϢ£äΡ4/7

ѤǤ͡ʤޥ뤵ơǤ͡

̸嵭ͥץߥäΤޤ
uchinyn󡢤Ŧͭ񤦤ޤ
38ڡ 13:06:42 39083
ͼ
PEˤȤQDEȰľˤʤ롣
ΤȤCP=PQʤΤǡDQ=BCˤʤʤȻפ
Ψ򸵤˹⤵4/7ˤʤΤ
դĹ⤵
4/7

ưͤƤʤǤ
38ڡ 10:08:26 39084
uchinyan
Ϥˤϡơϡ
ϵդаȯǤ͡ʴǡ

ޤADDB = AEEC = 43 ʤΤǡDE//BC Ǥ
QPC ѷʤΤǡQC = PCQCP = 60ǡQ PC C β˻ײ 60žǤ
P DE ǤդʤΤǡɡQ DE C β˻ײ 60žʬưޤ
ǡE ̤ AB ʿԤľ BC Ȥθ F Ȥ
ABC Τ C β˻ײ 60žƳΰư'פդɽȡ
DBFE ʿԻշEFC ѷ
B' = AA'AC = A'B'C = ABC = ACBAA'//BCF' = EE'EC = E'F'C = EFC = ECFEE'//BC
D' AA' ˤꡤDEE' ƱľˤꡤQ = P' D'E' ưΤǡʬ PQ ̲᤹ʬ A'DE' ˤʤޤ
ˡDE' = DE + EE' = BF + FC = BC Ǥꡤ
ʬ PQ ̲᤹ʬ = A'DE' = DE' * (DE' դȤȤι⤵) * 1/2 = BC * (ADE DE դȤȤι⤵) * 1/2
= BC * (ABC BC դȤȤι⤵) * 4/(4 + 3) * 1/2 = ABC * 4/7 = 1 * 4/7 = 4/7 cm^2
ˤʤޤ
ͥνȡ 38ڡ 12:31:01 39085
uchinyan
(ɲäޤ)
ǼĤɤߤޤ
Q ưϰϤľˤʤ뤳ȤݥȤǤˤɤդǤ͡

#39071#39076#39084#39088#39090
üʤɤŪĴ١¿򤸤ǤQ ưϰϤľˤʤȤƲ򤯲ˡ

#39072#39078#39085#39089
ABC C β˻ײ 60žƹͤˡ

#39075#39079#39082
ʬ PQ ̲᤹ʬ ADC ȹƱˤʤ뤳ȤȤˡ
ϴñ˾ǤȻפޤ

#39083
P DE ˤȤȤˡQ DE 60뷹ľˤ뤳Ȥ򼨤򤯲ˡ
桤߼ѰȤäƤΤǡ뤵ȤлǤϤʤ⡤Ǥޤ줰餤Ϥʡ
ȡ㴳ʸλȤ˺𤬤褦ǡΤŪ˾԰¤ʴ⤢ޤפȻפޤ

θ塤ä褦Ǥ͡ޤ褦Ǥ¿ʬ
ܣģѣáܣģѣá60뢪,,1,ѤƱ߼墪ܣѣ1Сܣѣãġ60ʰ
ϡ
ܣУѣáܣУ1á60뢪,,1,ѤƱ߼墪ܣѣ1СܣѣãС60ʰ
餤Ǥ礦

ʤΤ褦ˤб߼ѰȤ鷺ȤǤޤ

ޤDEC + CEQ1 = 120+ 60= 180ʤΤǡDPEQ1 Ʊľˤޤ
ˡPC = QCEC = Q1CPCE = PCQ - ECQ = 60- ECQ = ECQ1 - ECQ = QCQ! ʤΤǡ
PCE QCQ1QQ1C = PEC = 120롤QQ1P = QQ1D = QQ1E = QQ1C - EQ1C = 120- 60= 60
ˤʤޤޤP = D ΤȤ⡤
DC = Q2CBC = ACBCD = BCA - DCA = 60- DCA = DCQ2 - DCA = ACQ2
BCD ACQ2Q2AC = DBC = 60= AED = ACBAQ2//DE//BC
Ǥ

#39087
ؤˤˡ
ͥνȡ 39ʶ 12:10:36 39086
ϥ饮㡼ƥ
٤ʤޤѴؿǤʪưȤΤ϶Ǥ
ԡ 38ڡ 12:34:42 HomePage:湩ؤ˥39087
hide
ľä餦줷ʤȻפǧڤƤߤľǤ
ȡࡡ 38ڡ 13:00:34 39088

⤽Ǥˡر߼ΨϣȤ٤Ƚ񤫤Ƥʤע֤äȱߤϻȤʤע֤äȤɤ֤ǤפȤ꼫ΤȤϴطΤʤȤ饹ȤޤǭУѡУäʤΤǣУѤܣܣУä֤ƤȢãģŤˤʤ롦ȹͤޤ뤫˾ŬУѤȣäθҡѣäȣģŤαĹȤθӤȤȡѷιƱ颤Уãšͳѷѣңţӡ줫餤ʤȡᡢäȤݤ󤭤ѥפĤޤϰǤʤޤäΤǥۥäȤƤޤ
38ڡ 14:14:20 39089

˰գѷ񤤤ƣСĤȣСģŤСŤΤȤΣѤ񤤤ƸȣѤľưʤΤǡο޷ѷ£äΰդƱĹդ⤵ѷ£äΣλѷȤʤΤ
ᣴȤʤޤ

ǽ顢ѣѷդĹ褦ȤǾߤѤˤʤޤ
38ڡ 14:49:40 39090
ģ©
ϻŻ˻٤߻֤Ȥ줺𤷤ơ֤װߤʤȱɮǸڤƤߤƤ顢ηǼƤߤ顢ͤβˡФ餷ȤƤѤƤʾΥȽ񤱤ޤǤ

;̤Ǥ򤯤ˤϡ֣ԺɤפȽ񤭹ߤޤǤϤʤä֥ޥۡפɤΤǤϤʤȻפϤޤ⼫ͳߤ˲žƤҤ᤭ޤΥѥ⡢ޥ۲žƻפĤǥǤͤɤġǤ˼Ȥޤ줿ΤǤ礦
38ڡ 22:43:19 39091

ver3餪äˤʤäƤޤ
󡡤ɤǤ
39ʶ 8:23:29 39092

2ΤҤ4/7ȾʬǤ
24/724/7
311 3:35:09 HomePage:39093

ǽQΰ֤AƱ⤵ˤ󤸤ʤʤʤơ
1ѷ2¤٤ƤҤäƹͤޤ
ȾʬǤ
311 3:41:18 HomePage:39094

#39092
ʤޤ꤬Ȥޤ
ܿĻԡ 311 12:37:25 MAIL:dice-k@onyx.ocn.ne.jp HomePage:39095

#39095
Ҥ֤꡼
᡼ǡȡ
311 16:17:39 39096

#39096
Ҥ֤꡼
꤬ȡ
ܿĻԡ 311 21:54:10 MAIL:dice-k@onyx.ocn.ne.jp HomePage:39097
粬ҹ
פ֤ޤѤεפľͽۡϢ£äΣդȤ򤭤ޤɤǤͤ͡ޤ󿿤ä档⤦äǤ
311 22:39:22 39098
fumio
Фϡ
311 23:34:49 39099

ʤǤ͡
ԥå ver3ǤηǼĥåȡʤĤǤ
312ʷ 11:21:49 39100
ͣ.ǥ
#39095
󡡤ǤȤޤ
ΰǤ
˳ƤǤǡ礤˱ФƤ
312ʷ 18:17:41 39101

#39101
꤬Ȥޤ
ܿĻԡ 313ʲС 12:45:54 MAIL:dice-k@onyx.ocn.ne.jp HomePage:39102