㡼ߡ
ꡤۤ˽ΤǶȤäΤäƤޤ
2004 ǯΩäʡ
Ϻɸ + ʬDz򤫤ͶƳĤƤޤ
޷ŪˤޤˡΤäƴưΤǤ
Ȥ礦Ȥ䤯 828ڡ 0:23:13 MAIL:kakuromaster@star.cims.jp 32775
Ϥʤ
#32775 ɤΤ޷ǤȤǤ礦

ߤ濴ϤȤơܣãϣСȡܣ£ϣѡդȤȡ
׻ƤȡʬѤϡ

9ߡsin-sinաˤǤ뤳Ȥ狼ޤȤϡsin-sinաˤζͤФʾҤõäơǸϡ֤줫ʡפäƴDz򤭤ޤ
828ڡ 0:30:38 32776
㡼ߡ
Ĵ٤ߤ㤦Ǥ ()ǤιޤǤϤޤ

ߤ濴 O ȤȡBC դȸȤι⤵ܤ
BPC = (9/7) * BOC Ǥ롣
Ȥ BOC κͤФ褯ĤȤǤ
Ȥ礦Ȥ䤯 828ڡ 0:35:07 MAIL:kakuromaster@star.cims.jp 32777
sugitakukun
䤤䤤仲ޤorz
פ֤30ʬʾǺߤޤʤȤϰϡʡˤDz򤱤ޤ

ʲˡȾߤ濴OȤ롣

ޤOACȢOPC椬7:9Ǥ뤳Ȥ顢OCդȤƹͤФι⤵椬7:9ǤΤǡOBCȢPBC7:9
äơOBCˤͤФ褤

ˡBCMȤ롣ΤȤMϸǤ뤫BCOMľѤ˸롣
OMBϢOBCȾʬǤ뤬ϼաOBˤ2cmǤꡢĤĹǤդǤľѻѷǤ롣
äơ΢OMBˤΤϡ줬ľջѷΤȤǤꡢѤ 212=1(cm^2)

ʤΤǡOBCѤκͤ2cm^2ǤΤǡ뢤PBCѤκͤ 29/7=18/7(cm^2)ġʲ
KKS衡 828ڡ 0:42:05 MAIL:sugitakuunikun@msn.com HomePage:White Shadow32778
Ϥʤ
#32778 #32777 ʤۤɡϣ£ä˹Ԥ失Ф褤ΤǤ
828ڡ 0:45:17 32779
banyanyan
ϻޤ
ߤ濴Ⱦ¤濴ѤܤǤ͡
δܤ˺Ƥޤorz
ʻҶˤϤ餽˸äƤǤ()
ϤᣵʬͤƤ狼ʤäΤǡʤ⸺äƤΤ
ȤꤢոӤ򿩤٤뤳Ȥˤޤ
褦䤯濴ϤȤƣϣ£äˤɤ夭̵褷ޤ() ۥá
828ڡ 1:04:06 HomePage:뤤²ײݻ32780
ʸ
֤³Ǥ
ʤؤDz򤭤ޤ

ܣã=ȤȤ
Ѥ
9*(4sin^2-49sin^4)Ⱦά
sin^2=xȤơκͤ
sin^2=2/49Ǻ

18/7
828ڡ 1:07:57 MAIL:kyorofumi@msn.com 32781

ޡβˡޤӤäꡪ
ʤ󤫻ѴؿʬȤäƤޤޤ¤ߤˤʤä
PBCǤϤʤOBCܤȤϹͤ⤷ޤǤ
828ڡ 1:09:18 32782
ʸ
#32778 #32777 ʡʤۤɡ

ʬϤäȣäȣ¤ι⤵κܤƤޤ
ʤۤɣϣ£ä

ͧͤ˼ǤǤ
ܤ˾褻Ƥ餤Ǥ()
828ڡ 1:18:34 MAIL:kyorofumi@msn.com 32783
Ф
sugitakukunȤ褯Ƥޤ
ߤ濴ϡϤä˲­͡Фäˤ­ҤȤȡͣϢ梤ңФꡢңС᣹ߣϣ
äƢ£УäѤϾˢϣ£äѤΣܤǤ
Ȥˢϣ£äϣջѷǡѤϢܣ£ϣá᣹٤ΤȤͤΤǢ£УäѤκͤϣߣߣߣᣱȽФޤ
828ڡ 1:24:25 32784
Ф
http://blog.goo.ne.jp/akeot/
򹹿ޤǰʤ麣ۤɵǤϤޤΤäƤͤΤäƤ뤫ʡ
828ڡ 1:26:36 32785
ޥ
դ𤷤ޤ

ޤʬDzäȤ...(^^;㡼ߡΤäƤȤϰ㤤ǤͥǤ뤳ȤϳΤǤ30ǯ餤ΤΤǤʳΤĻرäȡ
iMac 828ڡ 1:37:35 MAIL:masaru-y@sansu.org HomePage:֥Τۤ32786
ͣ򡥥ǥ
񤷤Ǥ
Ǥβˡ򤢤ƿؤڤؤƹͤޤ

Ʊ͡£äդȤȤ(£ãϤι⤵)(£ãФι⤵)57
£á2(cm)Ȥ (£ãĤι⤵)(4-x^2) Ȥʤä
£ãСf(x)(9/7)(4x^2)

'(x)0ȤʤȤͤǤȡ򤯤ȣ2 Ȥʤ
f(2)18/7

ǹͤľȻפäƤȤˡsugitakukunβˡܤäƤơĤɤǡǼ

ּդǤǤľѻѷѤľջѷǤפȤȤ˵ĤС
ˤˡˤʤȤȤݥȤǤ͡ˤä

ΤȤϼդľ¤ȤȾߤȤ⤵ˤˤϡȹͤмפǤ͡

828ڡ 9:06:48 32787
CRYING DOLPHIN
ָƤϻDz򤱤ʤפȤƤϡؤ
ʤΤˡǤ⻻Dz򤱤

襽եȤǤǤäޤƸڤ̡ɤ
ͳѷ£ѣУäгθҤȤ
ѣң¤ȢУңäľդˤʤȤ
ѺˤʤȤȤϿǤΤǤ
ǤޤǤ

פ˥ͥåĴԤǤ(
饯񡡡 828ڡ 8:48:34 HomePage:ȤƻȤ32788
㡼ߡ
#32786
Ĵ٤ 1989 ǯĻرǤ
Τʤäְ㤤ʤ׻Dz򤤤Ƥޤͤ
ο޷Ūʲˡ˵դޤǤˡ 30 ʬ᤯ޤ (Ȥ򤹤)
828ڡ 9:12:11 32789
uchinyan
Ϥˤϡơϡ
ࡤ񤷤ä괺ءʬDz򤤤Ƥޤޤθǡ֥ϥáפȵդˡǤ

PQ פ˱ߤ濴 O Ȥޤ
OBC ܤBPC Ӥȡ
BC ϶̡BC դȤȤ OBC ι⤵ = BPC ι⤵ * 7/9 ǡBPC = OBC * 9/7 ˤʤޤ
ǡBPC ˤˤ OBC ˤ OK Ǥ
˵դиϴñǡOBC OB = OC = 2 cm ջѷʤΤǡѤˤʤΤ BOC = 90ΤȤǤ
äơOBC κ 2 * 2 * 1/2 = 2 cm^2BPC κ 2 * 9/7 = 18/7 cm^2 ˤʤޤ

Dz򤱤Ƥ줷 ^^/
ͥνȡ 828ڡ 11:05:51 MAIL:uchi@sco.bekkoame.ne.jp 32790
uchinyan
ǼĤɤߤޤˡϡϤꡤߤ濴 O ȤơOBC 򤦤ޤȤȤΤ褦Ǥ͡

ѤäǤϿزˡˤʲˡäƳڤǤ
ʤߤ˻ϡɸƳBC y ɸκˤޤβˡ⤸äɤǤߤޤ
ͥνȡ 828ڡ 11:26:28 MAIL:uchi@sco.bekkoame.ne.jp 32791

񤷤
828ڡ 18:47:06 32792
Atomos
Ȥ;ȤȤʤäΤǡμDz򤭤ޤ
ѷˤޤ
ѤˤʤΤϱߤ濴ϤȤȡ
COP=90٤ΤȤʤΤǡ
袤ACP=9*2/2=9cm^2
袤BPC=9*18/63=18/7cm^2
Ǥ
828ڡ 21:59:03 32793
cocolo
㥯줷ߤޤġ䡢ڤߤޤ(餱ˤ)

QBCȢPBCϡդBCȹͤι⤵ͤơ5:9ȭȤ롣
ߤ濴OȤOBCѤϡQBCȢPBCѤʿѤˤʤΤǭ
ϰȤʤΤǡOBCѤȤʤȤPBCѤȤʤ롣
OBCѤˤʤΤϢBOC90ȤʤȤѤ2cm^2
äơPBCѤ29/718/7(cm^2)

䤡ĴԤǤġäפڤޤƤ餤ޤ(餱ˤ)

ȡޤǽ񤤤˿Ϣ󤫤ΤŦǡ
֢OBCPBCBCդȤȤι⤵椬79ϤФޤ͡פȡġ

828ڡ 22:34:37 32794

񤷤äǤοޤϳ礵ƤΤʤΤǤ͡
2+571428/999999=18/7 ץǽ۴ĤޤǺʬƤäȡ
829ʶ 14:38:33 32795
ϺĹܲ
줷ä񤷤ä⤦褦Ȳפޤ
Ϣ³Dz򤱤ƤΤǡλפǴĥޤ
ԥåΣ졼餤ĥޤ
⤦פˤƤ줿
829ʶ 15:50:46 32796
ȤޤԤ
׻ޤߤ濴ȤɸϤΩơľACηB,CΣɸ¤ȤơϤҤ׻ʴޡʬˡ
̤ϣ2/47ˤΤȤ硣ѤϾ꤯夬äƤƲã
829ʶ 22:52:07 32797

>οޤϳ礵Ƥ뤬ΤʤΤǤ͡
ְ㤤Ǥ͡
ԡ 830ڡ 4:20:43 32798
ϥ饮㡼ƥ
MathematicaˤǤ

ǤMathematicaνǽϤ
æ˹Ǥ
830ڡ 22:06:50 HomePage:湩ؤ˥32799
Ф
http://blog.goo.ne.jp/akeot/
ӤӤޤ͡ФݤǤ򥢥åפޤ
ˤͷǤꤤޤ
91ʷ 23:33:34 32800

޽ۤǿإԥåܤȯ
㡼ߡ̾ܤäƤޤǤ
92ʲС 0:36:20 32801
Ф
Ǥ
92ʲС 15:26:05 32802

ߤȤ濴ȷ֤äƤŴ§ʬäƤơ
Ǥ⤤ΤǤ
ͤȤȤޤǤϤɤ夭ޤǤ
ͧãäƤޤޤ(>_<);
椬ȡ 92ʲС 17:33:56 HomePage:32803
ϥ
Dz򤳤ȻפäΤΡ⤦ǤޤǤ
92ʲС 23:25:34 32804
#32800
a^10000=15046253.999999ʤΤǡǤ
93ʿ 9:22:34 32805

HP깹ޤ
http://wwwa.dcns.ne.jp/~orienteering/link1-2.html
⤷褫ä򤤤ƤߤƤ(_ _)

𤷤Ƥߤޤ
椬ȡ 93ʿ 16:55:20 HomePage:32806