ޥ
ꤺäȳΥब®...ɤǤʤˡꤽǤʤ⤷ơĶۤǤǤ礦
iMac 94ڡ 0:08:15 HomePage:42299
٥륯åĥ
Ǥ͡
ľջѷ񤤤ƤߤȡλѷνIJ椬73Ȥ狼ޤ
ȤϿ޷ޤ֤
94ڡ 0:09:45 42300

ú
94ڡ 0:14:19 42301

http://www.dotup.org/uploda/www.dotup.org5293284.png
ʤ󤫤ʴ3:7
94ڡ 0:19:55 42302
ڥ륽
APQѤͤ󤹰ʳ˲ˡäƤ󤫡
94ڡ 0:22:13 42304
ؽ
ˡ
ǤȤޤ
94ڡ 0:25:30 42305
Mr.ǥ
Τ˳®
빽®ǤĤǤ夬Ǥˡ10̾ۤɡ

ʤߤˡϲΤ褦˿ؤ
QD=ȤȡAQ=5-
ʿꡡ3^2+(5-x)^2=(2+x)^2
򤤤ơ15/7

PCBPC˴ؤޤ֤QDCQC˴ؤޤ֤
PDפPB(D)QϰľˤʤΤ
PQ=PB+QD2+15/729/7
ʾΤ褦˵ޤ
94ڡ 0:51:50 42306
Ȥ
AQ=aȤ;
a^2+9=(5-a)^2+25+29-sqrt((5-a)^2+25)*sqrt(58)
mathematica home edition 8.0.4.0 Dz򤯤
Solve[a^2 + 9 == (5 - a)^2 + 25 + 29 - Sqrt[(5 - a)^2 + 25] Sqrt[58],a]
a -> 20/7
PQ=sqrt(a^2+9) ʤΤǡxmaxima
a:20/7$
sqrt(a^2+9);29/7()
˭ԡ 94ڡ 0:36:18 42307

tanβˡ(QCη礭7/3Ȥ狼)ȡ202129ľѻѷDz򤱤ޤ⹻ؤǤޤ
94ڡ 0:36:42 42308
٥륯åĥ
ޥ뤵ꤷˡʤΤˤʤޤ
虜轵ȤۤƱˡˤΤȻפäɡ㤦Ǥ͡
94ڡ 0:39:31 42309
⡼ޥ
#42302
餹ΡAha!!
ʤۤɻǤ͡

錄
QD=x
3*(5-x)/2+2*5+5*x=5^2
15+20+7x=50
x=15/7
PA=2+15/7=29/7

ؤǤɡOrz

900ǤΤ͡
ǤȤޤäm(_ _)m
¨ ^^;v 94ڡ 0:42:01 42310
Mr.ǥ
Ǥ򤤤Ƥޤ
CPBCBCD˽Ťʤ褦˲žPΰܤäP'Ȥ
PP'֤ȢP'CPľջѷCPQᢤCP'QPQ=P'Q
P'PCQθEȤȡQEP'=QDC=90
CQD梤P'AP
衡QD:5=3:7QD=15/7
PQ=P'Q=2+15/7=29/7ʲȤǤ򤱡åꡪ
94ڡ 0:51:12 42311
ޤ
ʿͶǤѤƴĥޤ(^^;

CQDC濴Ȥȿײ90ž롣
QΰưQ'Ȥ롣
PQCᢤPQ'Cʢ裲
PQ = PQ'ĭ

PCQQ'θRBCQQ'θSȤȡ
ꢤPQCȢPQ'CPCФоΤȤʤꡢ
PCQQ'ľ򤹤롣

RCQ'= 45ʤΤǡCR = RQ' ĭ

CSR PQ'R CPBʢ裲ˡĭ
Ƨޤơͥ饦ǡBQ' = 15/7
PQ = PB + BQ' = 2 + 15/7 = 29/7

#42300 ٥륯åĥޡ#42302 餹ޡ
#42306 Mr.ǥޤβҸơ
ͥ饦ȤȤֵܡפʲȿʡ orz
somewhere in the world 94ڡ 1:16:14 42312

󡢤ǤȤޤ
ĤڤߤˤƤޤ
94ڡ 1:29:39 42313


#42311Mr.ǥƱǤޤȽǤȥ饹ۤƱʤǤ͡ʺǶᡢʤɤϤҤȤäƥѥ¿äΤǡϤǤ줷äꤷƤޤˤ1ʬˡ⤦ˤϤǤʤ
Ʊ褦˥ޥ뤵⤳˻äƤꡢ(ʥǥͤä꥿फ)ڤߤޤ
˥ޥ뤵ǤϤʤǤ̤ΤߤʤϤɤʲˡ򤵤줿Ǥ礦?ѥäȵˡǤ礦?
ߤʤ󤪤ääƤޤ󤪤ǤȤʴŪˤϡؽꤷ³Ƥ꤬Ȥ١ˤޤ

94ڡ 9:38:53 42314

900󤪤ǤȤޤ
٤ޤ
٥륯åĥƱ˽񤭤ޤ
ޤ֤ƱǤ
򡢤ȤƤⵤˤʤޤ͡
94ڡ 1:43:21 42315
ϥ饮㡼ƥ
Ϥ褦ޤΤ黻äƤޤΤ900ʹ
ή®ưɤޤޤϤǤȤޤ

ѴؿǤ

94ڡ 5:13:29 HomePage:湩ؤ˥42316
kata
󡢤ǤȤޤ轵ڤߤˤƤޤĹ֡ꤤդǤ줫⡢ꤤޤ
94ڡ 5:42:36 42317
fumio
ˣ󡪡
ˣ󡢽ˣκʤĤǤ
ǤϤǤϤޤ͡
94ڡ 6:29:37 42318
fumio
ˣ󡪡
ˣ󡢽ˣκʤĤǤ
ǤϤǤϤޤ͡
94ڡ 6:29:37 42319
ȤޤԤ
ѴؿͶǤ˶ޤTanβˡΤäˤʤꡢ73Фޤ
94ڡ 7:11:51 42320
ǯ
900ȤƤޤǤ
1ۭCDQȭBCPޤʤơPCQˤʤ롣
2ۭBCP򱦤90ٲžơPιԤRȤȡQR=PQȤʤ롣
ĤߤޤQCDȭAPR˵դ
ǰääơʿͶǤ餱ޤ
ޤʤơB,DνŤʤäEȤơEQ=X(cm)Ȥ
3^2(5-X)^2=(2+X)^2켡ˤʤꡢPQ=2+X=29/7(cm)
ν񤭹ߤ򸫤ƤߤС夷Ƥޤ#42306ȤޤäƱǤ
94ڡ 8:43:40 42321
uchinyan
Ϥˤϡ

ޤϡ裹󡤤ǤȤޤ
䡼ȤˤΰǤǤĹǯ³褿ȤꤹǤ
裱⸫Ƥޤ (^^;

ơϡ
ϡŪˤϤäܡȤƤɸŪȤäȤǤ礦
꤬󤫤äȻפޤʴǡ

CPB C 濴˻ײ 90ž P ΰư RPR CQ θ E Ȥޤ
CB = CD ž B D ˽ŤʤꡤCDR = CBP = 90= CDQ AQDR Ʊľˤޤ
ơCR = CPRCQ = RCD + QCD = PCB + QCD = 90- PCQ = 90- 45= 45= PCQʤΤǡ
CPQ CRQPQ = RQ = RD + DQ = DQ + PB = DQ + 2CP = CRCPR ľջѷCQPRޤ
ǡREQ = 90= RAP = CDQ դȡ
REQ RAPREQE = RAPA = (RD + DA)PA = (2 + 5)3 = 73
CDQ REQCDDQ = REQE5DQ = 73DQ = 15/7 cmȤʤäơ
PQ = RQ = DQ + 2 = 15/7 + 2 = 29/7 cmˤʤޤ
ͥνȡ 94ڡ 11:38:53 MAIL:uchi@sco.bekkoame.ne.jp 42322
Mr.ǥ
900󤪤ǤȤޤ
ʤ餯ääƤȻפΤǤˤȽ黲ä 518ʤΤǡ
Ⱦʬ⻲äƤʤȤˤʤꡢˤ´Ȥʬޤ
ʸ¤ʤȯϡ¤Ϥ˷ޤ
94ڡ 12:11:02 42323
ϺĹ

900󤪤ǤȤޤ򤱤ƴ򤷤
Mr.ǥ518󤬽黲äȤΤȡ562󤫤Ǥ
ǽΤϲΨ56äȻפޤ
ͤȡǾϻȤ³뤳ȤˤǤ͡
Ƕϴ㤨Ƥޤ~~
94ڡ 12:38:47 42324
uchinyan
ǼĤɤߤޤ
ճȿزˡ¿褦ǤΤˡʿ仰ѴؿͶǤϤͤΤΤϸʡ

#42300#42315#42332
ľջѷ񤤤ƤߤȡλѷνIJ椬73Ȥ狼ޤ
䤢ȤϿ޷ޤ֤
Ȥˡ

#42302
󥯤줿ޤˤˡ
ܺ٤ϤޤʤΤǤ¿ʬ#42311ʤɤƱ

#42304
APQѤͤ
Ȥˡʡ ܺ٤#42310ƱʤΤʡ

#42310#42329
QD = x Ȥơ¿ʬ#42311ʤɤβžȤä#42302ΥοޤѤɾ򤯲ˡ
ؤˤˡǤϹ׼ǻDz򤱤뤳Ȥ⤢Τǡʬˤޤ

#42311#42314#42322
CPB C 濴˻ײ 90žθ塤ȤäƲ򤯲ˡ

#42312
CQD C 濴ȿײ 90žθ塤ͥ饦ȤäƲ򤯲ˡ
Ūˤϡ#42311ʤɤƱǥǤ

#42331
PBC PC ǡQCD QC ޤ֤BD Ťʤ R ȤRPC = PBC = 10 cm^2 򼨤ˡ
Ĺ褦¤ؤѷ򤷤Ʋ򤯲ˡ
ˤ⻻ȤβˡǤ

#42306#42307#42308#42316#42320#42321#42327#42328
ؤˤˡ
ͥνȡ 97 13:45:03 42325
uchinyan
ʤߤˡ긵λˤν黲äϡ裲󡤤Τ褦Ǥ
ΤȤϤޤޤεޤ컲äǡ
³򤯤褦ˤʤäΤϡʬǡ裳󡤺Τ褦Ǥ
ϡ򤱤Ƥʤä褦ǡޤ򤱤ʤäΤޤӤäꤷޤ
³Ū˲褦ˤʤä³Ƥλäϡ٤裴󡤤餤Τ褦Ǥ
ͥνȡ 95ʶ 13:10:17 42326
ʪ
900󤪤ǤȤޤ
ν黲äϤĤǶᡢ895Ǥ

prrcƱĹˤʤrȤqdʿԤrs1.5cmqd15/7cm
ʿˤpq=29/7cm

1000ޤ³Ƥ
ܡ 97 20:04:09 42327
Ф
900ˤʤǤ͡ǤȤޤǯ50󹹿Ȥ18ǯˤʤޤФ餷

ѴؿǤֻۤܽǤ20,21,29λѷϾQȤϸʤ⤷ޤ󤬡ʺǶᡢФʤΤľѻѷդĹ褯˺ޤǯ
95ʶ 3:20:05 42328
ޤ
ѣУäϢУ£äȢѣãĤ碌ΤʤΤǡѣĤĹȤѤȤäƲ򤭤ޤߤˤʤޤɡ
95ʶ 10:28:36 42329
uchinyan
ʪ#42327ѤȤˡ˥ҥȤƻפդˡ

CQ αĹ PS = PC Ȥʤ S AD αĹ DT = 2 cm Ȥʤ T ꡤ
S BA αĹ˿򲼤­ UPT DC θ VȤޤ
PCS ľջѷʤΤǡ
CPS = 90롤SPU = PCBSPU PCBPU = CB = 5 cmUA = 2 cm
ȤʤäơUS//AD//BC ꡤSQQC = UAAB = 25Ǥ
ǡPCB TCD ʤΤǡ
CP = CTPCT = PCQ + QCD + TCD = PCQ + QCD + PCB = 90롤CPT ľջѷ
ȤʤäơCPT PCSǤ
ˡDV//ABTVVP = TDDA = 25 = SQQCʤΤǡCPQ PCVPQ = CVޤ
ǡDVAP = TDTADV3 = 2(2 + 5) = 27DV = 6/7 cmʤΤǡ
PQ = CV = DC - DV = 5 - 6/7 = 29/7 cmˤʤޤ

Ǹդϡ
PCV = CPT * 5/7 = (ABCT - TAP - PCB) * 5/7
= ((7 + 5) * 5 * 1/2 - 7 * 3 * 1/2 - 5 * 2 * 1/2) * 5/7 = 29/2 * 5/7
PQ = CV = (PCV * 2)/BC = (29/2 * 5/7 * 2)/5 = 29/7 cm
ȡѤǤǤޤ

βˡΡ¿ʬΡطʤˤϡ
¤ϡ 7 cm ˰ PC ޤ褦Ǥ
ͥνȡ 95ʶ 12:09:10 MAIL:uchi@sco.bekkoame.ne.jp 42330
ޤ륱
Ϥɤ⡢Ϳ줿޷ϰϤ鳰ΰʤʤޤ
ʤΤǡѴǵƤߤޤ

У£äУäޤ֤ѣãĤѣäޤ֤¡ĤŤʤҤȤޤҤϣУѾˤޤ
У£áңУäѤϤȤˣ
ڤäĤΣˤĤѴƤޤ

ѣңä΢֤¤ľĹѣ'ãĤޤҡǤϣ£þǤ
ޤУѤϡФӤȤơĹӣԣѤޤ
ԤϣѣҡǾˤޤ

Τ褦ѴȡĹӣ£'ԤѤ
ڤäʬƱǤ

ӣ¡ᣲܣ᣷Ȥ狼äƤޤΤǡӣԤĹ
ࣷᣲȵޤޤ
ȤʤСѣġᣵݣᣱȵޤꡢ
Уѡѣҡܣѣġܣᣱܣᣲ

ޥ뤵äơɤʤǤ礦͡
ʤ硡 95ʶ 15:37:06 HomePage:ޤ륱42331

٥륯åĥͤƱȻפޤϤޤ

http://www.fastpic.jp/images.php?file=1178665169.jpg
95ʶ 18:21:53 42332

㡣Υåפ꤯ʤä
http://www.dotup.org/uploda/www.dotup.org5297375.jpg
96ڡ 9:45:46 42333

900󤪤ǤȤޤ

http://www.mathtext.info/shoumei/shoumei25.pdf

http://www.mathtext.info/shoumei/k/25.pdf
96ڡ 11:25:17 HomePage:42334
uchinyan
ʤۤɡޤ륱󤵤ΡݤäƤǤ͡
ͥνȡ 97 13:31:25 MAIL:uchi@sco.bekkoame.ne.jp 42336
ʪ
897󤫤ޤФƤʤ()
ܡ 97 20:07:13 42338
ޤ
٤ޤʤ顢900󡢤ǤȤޤm(__)m

ϤäѤλϡ1000ˤȤäƤޤ͡ʾСˡ䡡ޥ뤵
somewhere in the world 99ʲС 1:24:32 42339
Ϸʼ
٤ȤΤľѣգѷǤ
򢤣УãӤȤУãӤȣãѤŤʤͤ˺ޤ

³Ǥ͡ǤȤޤ
黲äϣǯۤǤϤʤǤ礦
Ƕ˺äݤʤޤΤǡȲĤƤޤ
äƤβȽ̤ϿƤޤ
ʤߤ˽̤ϣǤ
ϣǤ͡ڤߤˤƤޤ
ʡ 99ʲС 8:57:54 42341
mukku
900󤪤ǤȤޤ.
3:7ľѻѷ˵Ťʤäԥ饹Dz򤭤ޤ
99ʲС 20:44:01 42342