CRYING DOLPHIN
褯ǤϤΤΡ֤(CEF˿)Ǥϻ
򤱤ʤäΤǡ̤κǡ

EBC(345ľѻѷġ)C濴Ȥ90ٻײ
žȡCBCDȰפ롣ˡưEGȤȡ
նꡢECFȢGCFϹƱġ
FEC˿FH򲼤ȡFHCľջѷǡ
EHFϡꢤEBC345ľѻѷ
ʾꡢEHHFHC[3][4][4]EC5cm[3][4]
[1]5/7cm[4]20/7cmʾѤ520/7250/7cm^2
󤯤ꡡ 84ڡ 0:27:18 MAIL:ʥ HomePage:ƻ38141
ͤ
̵ռΤˡƤţä˿ƣǤĹȤ
̵Фޤorz
ǽŪʼϡ7x^2+120x-400=0 Ǥ
裲롼ס 84ڡ 0:31:17 HomePage:38142
ʸ
FD = xȤơѷAEFλʿǤȤޤ
84ڡ 0:35:21 38143
ߤ
ñʤΤˤפĤʤäΤǡȤꤢؿ򤿤Ƥޤޤʴˡ

ʬˤʤΤϤȤ⤫ץǤ줤Ǥ͡
νŵȤΤǤ礦
84ڡ 0:40:52 38144

CRYING DOLPHINȰưƱǤFDCȦAEGˤꡢFDDC17򤭤ޤ
84ڡ 0:44:59 38145
..*ӡ..*
http://amezor-x.net/kalobby/1108011043270229.jpg
84ڡ 0:50:16 38146
abcba@jugglermoka
Ϥߤ䤿Ȥ٤δطޤĴ٤дñ˲򤱤ȤǤޤʲˡϰʲǤ(ξϤʤάƤޤ)
CEαĹA򲼤XȤXE:XA:AE=3:4:5FD:DC=1:7Ȥʤ뤳ϽФޤ͡
٤δطAXCFDCưפʬޤ
;̤Ǥ轵դ2դ椬1:7ȤʤäƤޤ϶...
84ڡ 0:51:12 38147

CRYING DOLPHINȰưƱǤFDCȦAEGˤꡢFDDC17򤭤ޤ
84ڡ 0:54:56 38148
ޥ
褯ͥʺǸСCDF90žCDCBפ...ߤʡˤäƤߤޤBDCEθGȤǤ⤹ȡFGCľջѷˤʤ뤳ȤѤˡꤷƤޤ
iMac 84ڡ 1:02:37 HomePage:Men @ Work38149
stale
դ˿򲼤ơŬʬx,yȤƽޤ

Τ椫˵Ťޤ
ʤʤDz򤯤Τ񤷤Ǥ
84ڡ 1:45:16 38150
aibo
ưޤǵŤơгг2˻äƤΤʬޤݽ˵Ť#38141ߤƤǣȤΤٶˤʤꤤޤʤߤFD=xȤäƤޤޤ­Ǥ
84ڡ 2:25:16 HomePage:aibo38151
ϥ饮㡼ƥ
Ϥ褦ޤѴؿǤߤޤ
84ڡ 8:49:07 HomePage:湩ؤ˥38153
ϲ
ץǤʤ
84ڡ 8:49:45 38154

žưȤΤǡĤDzȤĩ路ƤޤϡF̤ꡢEC˿ľľEC,BC,CDαĹȤθG,H,IȤFG=GC=aȤޤHGC,HCI,FDI,CGIλѷˤʤΤǡHC=5a/4,IF=a/3,ID=4a/15,CI=4+4a/15HCICH:CI=3:4ʤΤǡ5a/4,C4+4a/153:4ꡢa=20/7ƳޤȤϰϤǤ礦
84ڡ 9:44:49 38155
uchinyan
Ϥˤϡơϡ
ϡŪˤ񤷤Ȼפޤ任ȤƤɸŪʤץǤǤ͡
⤤ʲˡ뤫⡤ǤϤʴǡ

(ˡ1)
CB = CD ʤΤǡEBC C 濴˻ײ˲ž B D ˽Ť E ΰư E' Ȥޤ
CDE' = CBE = 90ʤΤǡFDE' Ʊľˤꡤ޷CE'DF CE'F ˤʤޤ
ˡE'CF = E'CD + FCD = ECB + FCD = BCD - ECF = 90- 45= 45= ECFCE' = CE ꡤCEF CE'F Ǥ
ǡCEFE' Ϥ CFEE' ˤʤꡤCF EE' θ G Ȥ E'GF E'AE Ǥ
ǡE'GF CDF Ǥ⤢ΤǡCDF E'AE Ȥʤäơ
CDDF = E'AAE = (E'D + DA)(AB - EB) = (EB + DA)(AB - EB) = (3 + 4)(4 - 3) = 714DF = 71DF = 4/7 cm
ȤʤäơAF = 24/7 cm Ȥʤꡤ
ECF = CEF = CEFE'/2 = (CEAE' - EAF)/2 = (ABCD - EAF)/2 = (4 * 4 - 24/7 * 1 * 1/2)/2 = 50/7 cm^2
ˤʤޤ

(ˡ2)
CEF CE'F ޤǤ(ˡ1)ƱǤ
ǡF EC ˿򲼤­ H ȤȡHCF = ECF = 45ʤΤǡHCF ľջѷ HC = HF Ǥ
ޤFEH = FEC = FE'C = BEC EHF EBC ǡEBC 345 λѷʤΤ EC = 5 cmEHHFFE = 345 Ǥ
ǡEHHC= EHHF = 34 ʤΤǡFH = HF = 5 * 4/(3 + 4) = 20/7 cm Ȥʤꡤ
ECF = EC * FH * 1/2 = 5 * 20/7 * 1/2 = 50/7 cm^2
ˤʤޤ

(ˡ2)ϡCFD C 濴ȿײ˲ž D B ˽Ť͡F F ΰư F' Ȥǹͤʬ䤹Ȼפޤ
¤ϡºݤˤϤƹͤΤǤǽ˻פդ(ˡ1)ǤǤʡȻפäơƤƤߤޤ
ͥνȡ 84ڡ 12:17:01 MAIL:uchi@sco.bekkoame.ne.jp 38156
ͼ
˽񤭹ΤϽƤǤ
Ȥꤢ޷ươ᤿ѤäˤơŬĹȤơŪ˳٤ƱȤʤȻפʤ顢ľѻѷǥԥäƤߤޤ

äꤷƤޤʴǤʴǶŤˤäƤޤ()
84ڡ 12:33:06 38157
uchinyan
ǼĤɤߤޤ

#38141#38156(ˡ2)
EBC C 濴Ȥ 90 ٻײ˲žư E G Ȥ ECF GCF Ȥʤ뤳Ȥȡ
F EC ˿ FH 򲼤 FHC ľջѷEHF EBC 345 ľѻѷˤʤ뤳ȡ
Ȥˡ

#38145#38156(ˡ1)
EBC C 濴Ȥ 90 ٻײ˲žư E G Ȥ ECF GCF Ȥʤ뤳Ȥȡ
FDC AEG FDDC = 17 ˤʤ뤳ȡ
Ȥˡ

#38146
F EC ˿ FH 򲼤 FHC ľջѷˤʤ뤳Ȥȡ345 ľѻѷȤäƲ򤯲ˡ
žȤ鷺Ǥޤ򤤤Ƥꡤʤʤ򤤤Ǥ

#38147
CE αĹ A 򲼤 X Ȥ XEXAAE = 345 ȡ
٤δط AXC FDC Ȥ顤FDDC = 17 Ȥʤ뤳ȤƳ򤯲ˡ
⡤žȤ鷺Ǥޤ򤤤Ƥꡤ򤤤Ǥ

#38155
F̤ꡢEC˿ľľEC,BC,CDαĹȤθG,H,IȤFG=GC=aȤޤ
θ塤345 ȤäƲ򤯲ˡ
켡ϰϤΤ褦ʤΤǡǻȽǤޤ

#38149
ޥ뤵
褯ͥʺǸСCDF90žCDCBפ...ߤʡˤäƤߤޤ
BDCEθGȤǤ⤹ȡFGCľջѷˤʤ뤳ȤѤˡꤷƤޤ
ȡޤ褯ʬʤΤǤ#38156κǸǤ(ˡ2)Τ褦ʴǤ礦

#38142#38143#38144#38150#38151#38153#38157(֥ԥäơפ褦ʤΤ¿ʬ)
ؤˤˡ
ͥνȡ 84ڡ 13:21:59 MAIL:uchi@sco.bekkoame.ne.jp 38158

ȤäƲ򤭤ޤ
ޤ񤱤ʤΤǺɸޤ

A(0,4) B(0,0) C(4,0) D(4,4) E(0,3) Ȥޤ
G(7,4) H(4,7) ȤȡͳѷCGHEˤʤꡢ
AGCHθƤˤʤޤ

CFFH=43 ˤʤΤǡ
CEƤϢCEH4/7ĤޤCGHE 4/14 Ǥ

CGHEѤ25ʿˤʤΤǡ
CEƤѤϡ50/7ʿˤʤޤ
84ڡ 14:03:20 MAIL:shinya905ssn1@yahoo.co.jp 38159

Ǥ
H(4,7)H(3,7)
84ڡ 14:12:04 MAIL:shinya905ssn1@yahoo.co.jp 38160
⡼ޥ
#38146
äȤ狼ޤ ^^;v
3:4:5
3+4=7 5
=/2={(4+4)(3+4)/4}*(5/7)^2=50/7

ʤߤˤ錄...
(4^2-AEF)/2
AEF ϥԥ饹...
AF=x, FD=y
x+y=4
(4-3)^2+x^2=(3+y)^2
1+x^2=(7-x)^2
14x=48
x=24/7
(16-12/7)/2=8-6/7=50/7
Orz...
84ڡ 15:48:55 38161
Ȥ
ɸDz򤭤ޤ

E(0,0),ľECxȤľEA:y=-4*x/3Ȥʤ
xɸaȤEA=1AκɸǤ
̤극ľEAη˳ݤ-1
ľAFη3/4ǤꤽAκɸ̤ΤDze1ľAF
ľCF:y=-x+5θFǤƤyɸ⤵
5ȤƢEFCѤʲΤ褦ˤޤ

solve(a^2+(-4*a/3)^2=1,a)$
part(%,1)$
rhs(%)$
e1:y=3*(x-%)/4-4*%/3$
e2:y=-x+5$
solve([e1,e2],[x,y])$
part(%,1)$
5*part(%,2)/2$
rhs(%);50/7()
84ڡ 19:20:59 MAIL:fttnm528@ybb.ne.jp 38162
ߡ
ääʤߤĴ٤ǤǤż֤ǤϷ׻Ǥޤ󤬡ġ
44/7ȤäԤ˽ФʤäޤϤȡ

Ǥʡġ
84ڡ 23:49:52 38163
ڥ륽
85ʶ 18:49:54 38164
Ф
ãƤĹƣãšţǤľѣջѷꣳǣãšᣵãġģǡᣴ򤭤ޤʿޤʲˡȻפɻƤͤޤ͡
85ʶ 22:15:24 38165
Ф
ޤ󡣤ܤϷͤʡ

ãƤĹƣãšţǤľѣջѷĤꢤ£ãŤˣŬѤƣãšᣵãơƣǡᣴ򤭤ޤʿޤʲˡɻƤͤޤ͡
85ʶ 22:21:30 38166
hide
ˡtan1:7ޤ
ȡࡡ 86ڡ 15:42:53 38167
ͣ.ǥ
Ϥϡ#38167Ʊֲˡtan1:7פȤäơФθ廻Dz򤤤ơ
ƱˡϤʤȽ񤭹ߤɤǤȡޥ뤵#38149ƱǤ
ãģŤãĤã¤˽Ťʤ褦˲žȤΣƤιԤǤȤ
ɡãƣŢᢤãǣŤƣǤȣãŤθȤȤȡܣƣţȡܣģţáܣƣȣš90
ƣţȢ梤ãţġ345ˤȤäơƣȡᡦ
ȤˡǤ
ʺǶᡢؤDz򤤤Ƥ顢Dz򤯤ȤƤ褦ʵ롣
87 23:55:10 38168
Ѥ
FEC˿FH򲼤Ȥޤ
ʡ˵ʤƤޤȯ60kmξǤѤäƤޤ󡣰ѤäȤȤХѡ˹ԤäƤҶ۾˾ʤȤǤ
88ʷ 12:15:01 HomePage:Ĥä38169
ʥ󥸥㥤
45٤ܤޤ֤ƤߤޤȡFEĹաˤFD
⤵λѷˤʤޤSʣFDˡߣࣲ
ѤFD=(S/2)-3ƵޤʲΤǤ͡򸫤ƤӤäꤷޤ
88ʷ 23:57:51 38170
ƣϻع1ǯ
345λѷ꤬˲򤭤ޤͤϿظäƤΤǤޤ񤷤ʤä褦ˤ⤤ޤߤʤϤɤǤ
89ʲС 14:03:52 38171
󤯤
Ťƣä˿ţǤҤ̵ľջѷĤäƤ
ͳѷţǣã¤Ǥ濴˻ײˣ٤ޤ路¡šã¤ˤ
⤵飱Фޤ
ƤƤͤ¿ߤǤ
ͤΤϸΨ뤫äߤǤʡ
89ʲС 21:12:59 38172
CRYING DOLPHIN
#38171
裱󤫤󻲲äƤԤǤ

ޤǤηи丫Ҥ٤Ƥȡ
ȤƤϰפ᤮񤷲᤮ɸ٥롢
Ǥܤ٥Ȼפޤ

ΰݤ˻ĤäƤ롢ʿ̿޷ޤĵ󤲤ȡ
(裱)ľѻѷνŤʤä޷
(裳)ͳѷˤäĤѷ
(裶)ȾλѷѤκ
ɤ⡢ˡפĤΤäִ֤礭ʾ׷ޤ
̣вõƤߤƤ
(âȾüʤǤĩ魯ݤϤи)

󤯤ꡡ 810ʿ 10:15:36 HomePage:ƻ38173