٥륯åĥ
Ѥθ2ĤꡢгȾʬPEʤΤǡBPEȹƱľѻѷǤơ45222.5ˤʤ롣
ʤ­ʤ⤷ޤ򤱤ͤˤϤ狼뤫ȡ
925ڡ 0:08:51 42415
Ԥ뤹
Фϡ
ޤľǡ֦/8͡פƳޤɤ˼Ƥ֤ФäƤޤġorz
ˤˡϡɤäޤ֤Ȥ뤳ȤͽۤƤޤפĤʤΤǤ⤦ͤƤߤ褦Ȼפޤ
925ڡ 0:11:46 42416
å
IBIB22IPIP
IBPջѷʿˤѤѤơ
IBPPBE45222.5
925ڡ 0:14:32 42417
ǯ
BF:BE=FP:PEꡢBPϢFBE=45٤ʬ45/2
ǰʤ黻ǤϤʤBF:BE=FP:PEΤȤǢ(2)Ѥƹͤޤ
925ڡ 0:16:35 42418
ʪ
عƤΥ뤫⤷ޤ
гbf
jiαĹabˤxȤ
hiαĹbcˤyȤ롣
xbyiagqhpecjȹƱ
xbyi1դĹ1ȤȡгibĹϥ롼2ipĹ롼2
bip2ջѷbip90+45135١ipb22.5١bpe67.5١ebp22.5١
ܡ 925ڡ 0:26:00 42419
CRYING DOLPHIN
Ϥ⤦ܤϤϻĤäƤʤ
ȤꤢջѷĤޤȤϲ(
ttp://cdcdcd.sansu.org/pika/junkfoods/san1-q903-godox3.png
ï⤤ʤԳϡ 925ڡ 0:32:33 HomePage:֥⤢42420
ʪ
http://deadlinetimer.com/timer/92287
Ƕṹ᤯ԤƤ뵤Τǡˤʤιꤹ᤯Ƥޤ
ܡ 925ڡ 0:32:46 42421
Mr.ǥ
BEˡPE=EK ȤʤKꡢPK,CȤǡPK,PCդȤ
PECJѤΣܤȤʤꡢPK=PI
ͳѷIBKPϤҤȤʤꡡx=IBK/2=22.5
Ȥޤ
ʤϿ¿βˡǤ礦͡

ɵ͵ΥץߥäΤǡ嵭ʬޤ
925ڡ 15:20:04 42422

ФϢ
¿ƻDz򤱤ޤ
¿ʬ٥륯åĥƱˡǤ
925ڡ 0:37:11 42423
⡼ޥ
ߤʤ® ^^;
ǡ
BP, BQ Ǣޤ֤ȡQP˽ŤʤΤǡ
ܣУ£=90/4=45/2
¨ ^^;v 925ڡ 0:38:41 42424

عʤɣ¡ɣС売ջѷǣϣˤȻפΤǤ
عήˣɣ¡ɣФϤʤΤǤΤǤ礦ʤäȴñ˸ȻפΤǤϥ󥹤ΰǡ
ѣá£ƤRȤȡ
ңɣФϥΣţãФϥΣľջѷʤΤǡ
ңɣФȢţãФϹƱ
äƣɣСУ
ޤɣ¡У
äƣɣСɣ

٤񤫤Ƥʤޤ٤ϻ구γѤ¡ʬʬ(ޤǤ뤫)ˤʤΤǻǤ⤢äƤޤ

Ϻꡡ 925ڡ 7:04:05 42425
Ȥ
BE=a,BC=1ȤPE=1-a,==(1-a)^2,=(1-2*(1-a))^2=(2*a-1)^2
+=ꡡ2*(1-a)^2=(2*a-1)^2
tanBEP=PE/BE=(1-a)/a xmaixma ǵtan2ܳѤθtan22.5Ѥ

solve(2*(1-a)^2=(2*a-1)^2,a)$
a:rhs(part(%,2))$
factor((1-a)/a)$
trigexpand(tan(2*b))$
solve(%=tan(%pi/4),tan(b))$
rhs(part(%,2));%o3;

enter
sqrt(2)-1,sqrt(2)-1 Ʊ
45٤Ⱦʬ,45/2=22.5롦()
˭ԡ 925ڡ 1:21:44 42426
ޥ
#42421ʪ
ߤޤ󡢹ץޤ轵顢ۤܥԥ˹Ϥm(__)m
iMac 925ڡ 1:59:37 HomePage:42427
ޤ
ޤ֤פȽ񤤤Ф򳫤Ƥߤޤ
õʪ(ˡˤϸĤ餺 orz

ʷǼĤޤǡ
BEˡPE=CK ȤʤKȤޤǤϡ
#42422 Mr. ǥƱǤ
θϡ2 ΣջѷФƥ롣

ʷǼĤäƤ
˸դǤ2ϻȤΤǤ

BEFˤơBEBF = EPPF = 1: 2
B,E,FľˤΤǡѤ2ʬεդǡ
EBP = FBP = 452

ʰֺǽ
30롡줺󡢤㡢452
#42425 ᤤ Ʊ^^;

somewhere in the world 926ʶ 0:17:19 42428

ѥܥᥤ
2PEQP
줫顢BPQᢤBPQ'(BPEܢBQG)
äĺ45ջѷ
ä45222.5
βˡס
ʤʤꥢ륿ǻäǤʤΤǰ
925ڡ 3:49:49 HomePage:42429
ϺĹ
Ƥ㤤ޤ
925ڡ 7:27:03 42430
ϥ饮㡼ƥ
Ϥ褦ޤǤǸϻѴؿǤ
925ڡ 7:36:24 HomePage:湩ؤ˥42432
ϥ饮㡼ƥ
Ϥ褦ޤǤǸϻѴؿǤ
925ڡ 7:36:24 HomePage:湩ؤ˥42433
ʪ
http://deadlinetimer.com/timer/92310
ι˥ˤʤޤ
ܡ 925ڡ 8:05:58 42436
и
޳ѷBGQPEȬѷ4ʬʤΤ
PBE=452=22.5
925ڡ 9:56:25 42437
ߤ
£ãĤгθҤ֤

УŤĹ򣱤Ȥȡξ狼ңСᣱ
ѷ£УҤȻѷ£УŤϹƱľѻѷΣդĹˡ
äơѣУ£ҡѣУ£Ťꡢ٤ϣ٤Ⱦʬᣲ١

äơ٤ʬäθդˡǤ
925ڡ 9:58:48 42438
uchinyan
Ϥˤϡơϡ
ϡޤľǤ 45/2 = 22.5뤫ʤͽۤǤ뤷ŪˤɸŪפᡤȤƤϰǤ礦
ʴǡ

ޤоꡤAGQH PECJ ϹƱQIPF Ǥ
ǡPE = QG ǡPQ FI θ O Ȥ PO = QOо BIOF Ʊľˤ BP = BQǤ
AGQH = PECJPECJ = PEC * 2QIPF = POI * 4ʤΤǡ
PECJ * 2 = AGQH + PECJ = + = = QIPF(PEC * 2) * 2 = POI * 4PEC = POI
ǡPEC POI ϤȤľջѷǤѤΤ 11ĤޤƱǤ
ǡPE = PO Ʊͤˤ QG = QO ⤤PE = PO = QO = QGޤ
ΤȤȡBP = BQPEB = POB = QOB = QGB = 90ꡤPEBPOBQOBQGB ϹƱˤʤΤǡ
PBE = PBO = QBO = QBG Ȥʤäơ¤ ABC = 90ʤΤǡ
= PBE = 90/4 = (45/2) = 22.5
ˤʤޤ
ͥνȡ 925ڡ 12:04:06 MAIL:uchi@sco.bekkoame.ne.jp 42439
ޤ
ȾʬˤʤʤľǻפޤȤäƵޤ
925ڡ 13:34:47 42440
uchinyan
ǼĤɤߤޤ
ϡ2 ȤäƤΤǿزˡǤäȤפǻˤʤˡ⤢Τǡ
زˡʬषޤ

#42415#42423#42424#42429#42438#42439
QIPF гθ O ȤȡPEBPOBQOBQGB Ʊˤʤ뤳ȤȤˡ
оꤳȾʬǤ⤤ΤǡȾʬΤΤƱʬˤƤޤ

#42417#42425
Ѥξ IBP ջѷˤʤ뤳Ȥ IP//BC ˡ
AGQHPECJIB гȤƱʤΤݥȤȻפޤ
IB = IP 򼨤ΤˤϤȹפ褦Ǥ
ʤ#42425
ѣá£ƤRȤȡ
ΡQCפ QP ν񤭴ְ㤤ʡ
λŦϡ#42443#42446ˤ褦ˡ­Ǥäޤ
Ѽפޤ

#42420
Ѥξ ABP ջѷˤʤ뤳ȤȤˡ
ʤۤɡʼ⤢ä

#42422
BE PE = EK Ȥʤ K PK PCդȤƹͤˡ
Ѥξ PK = PI IBKP ҤȤʤΤѤޤ
#42417ʤɤ˶ᤤˡȻפޤ
ʤ#42422
BEˡPE=CK ȤʤKꡢPC֤ȤPK,PCդȤ
ΡPE=CKפ PE = CE = EK ν񤭴ְ㤤Ǥ礦

#42437
޳ѷBGQPE ȬѷʬˤʤäƤΤѤˡ
餷 (^^; ͳϽ񤫤Ƥޤ󤬡¿ʬ#42415ʤɤطʤˤΤȻפޤ
äȤ⡤ȬѷؤߤȤƤ褯ͤȻˡȤƤϰ֥åꤷƤ뤫Τޤ͡

#42440
ȤäƵޤ
ȤˡǤܺ٤

#42445
135ȿײ˲ž135ٻײ˲žƹͤˡ
ʤޤʬʤΤǤоѤξ狼顤
ưĤդ碌Τ QP ʿԤĹ
G E ΰư S ȤP ΰư P'QP MȤȡ
BMP BSP' BEP ȤʤΤǡPBE = 45/2 = 22.5
Ȥ褦ήʤΤǤ礦

#42418#42428θȾ
ؤˤˡ
BFBE = FPPE 򼨤 BP FBE = 45ʬǤ뤳Ȥ򤤤Ƥޤ
#42428θȾ
䢤BEFˤơBE:BF = EP:PE = 1 : 2
BE:BF = EP:PE = 1 : 2פ BEBF = EPPF = 1: 2 ν񤭴ְ㤤Ǥ礦

#42419
ؤˤˡ
#42417ʤɤƱǥǤǤäȤ 2 ȤäƤޤ

#42426#42432
ؤˤˡ
ȻѴؿȤäƤޤ

#42428Ⱦ
ؤˤˡ
#42422ƱǥǤǤäȤ 2 ȤäƤޤ
ͥνȡ 926ʶ 11:37:05 42441
Mr.ǥ
#42441uchinyan󡡥ץߥΤŦ꤬Ȥޤ
ʤäƤޤ
925ڡ 15:25:02 42442

ϡ֢ɣ£Фջѷפ(᤺餷)ѥä⤫Τǡʳˡϻפ⤫٤ޤǤߤʤβˡ򸫤ȡ˳ڤǤ
#42441uchinyan󡢤Ĥʬढ꤬ȤޤǤߤʤιͤΨ褯θǤޤ(ŦΡɡQCפ QPδְ㤤ɤϡʬУäѤΤǣѣäˤޤ狼Ť餯Ƥޤ)
Ϻꡡ 925ڡ 19:33:38 42443
ޤ
#42441 uchinyan󡢤Ĥʤʬࡦ⡢ͤǤޤ

ץߥΤŦ꤬Ȥޤm(__)m
ޤ

ˤƤ⡢ʲˡޤ͡

899Τ褦˥ޥ뤵󤬹פƤơ
ͥβǤƤ뤫ʡȻפäƤޤʾС
somewhere in the world 926ʶ 0:25:34 42444
Ϸʼ
οʲ򸫤ȳڤʤޤ

ϼ̤˲򤤤Ƥߤޤ
135ȿײ˲žޤ
135ٻײ˲žޤ
ǤȣŤΰưӤȤޤ
£ӣТᢤ£ţФȤʤޤ
ܣУ£šᣴࣲᣲȤʤޤ
ʡ 926ʶ 8:56:33 42445
uchinyan
#42443
䤴ŦΡɡQCפ QPδְ㤤ɤϡʬУäѤΤǣѣäˤޤ
QPC ƱľˤΤǡQC Ǥ QP ޤ PC ȤΤQC ˤȤ櫓Ǥ͡
ʤۤɡǼǤѼפޤޤ
ͥνȡ 926ʶ 11:41:58 42446
ڥ륽
ɤ
926ʶ 15:09:33 42448
饸͡ཡ
Ȥꤢջѷ褿Ǥ򤤤ƤǤޤ
927ڡ 1:08:50 42449
Ƥä
פ֤λäǤڤäǤ
930ʲС 1:30:39 42450