nora
˵ŤޤʬȻ֤ä(ϡ)
922ڡ 0:15:09 38362

ͽ۰ʾ椬Τͽ۰ʾ˵դޤ͡
ʸȤäƤ礦ɤ1Фޤ
ǤϤɤ
922ڡ 0:18:43 38363
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äȣᣴäƤäƤ
922ڡ 0:25:58 38364

ͤϻȤʤäǤ͡
ʤȤǡ
922ڡ 0:26:44 38365
ϻǯ
PQRACθ¦˰ưPQ,QP򤽤줾줯äĤRABˤΤʤȲꤷХХȤäƲ򤭤ޤ󡢤ɤǸȤ褦ʡġ
922ڡ 0:29:16 38366
CRYING DOLPHIN
ưޤ

ꡢDPPBᢤDAPABP23
PR//BCQR//ADꡢDPPBDRRCAQQC23
äADQRACQC53Ǥ롡[]

AD//QRDAPܳPQR180٤ꡢADPPQRADAPQRPQ
äAPPQ2054331Ȥʤ롡[]

[][]ꡢAPPQQC316ȤʤꡢAPPC37
APBPBC30ءAPPC37ꡢء70cm^2
ï⤤ʤԳϡ 922ڡ 0:46:00 HomePage:blogȻƻMD38367
NY
Ĥ̤㤹ԤãαĹȸӤȤơ
ѷӣĤϻѷУѣҤΣܤȤʤꡢ
ѷӣУĤѤϣ
ѷУ£äϻѷУģӤΣܤ顢Ѥϣ^2Ȥʤޤ
922ڡ 0:41:54 38368
Σ
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Ĥ̤㤹ԤãαĹȸӤȤơ
ѷӣĤϻѷУѣҤΣܡʤäƣˤȤʤꡢ
ѷӣУĤѤϣʣܣ
ѷУ£äϻѷУģӤΣܤ顢Ѥϣ^2Ȥʤޤ
922ڡ 0:43:53 38369
⡼ޥ
ƱȻפޤ...^^
...5*a : 3*b = 20 : 4
a:b=4:4/3
2*(4/(4+4/3))=3/2
33.5=7/2
30*(7/3)=70
922ڡ 0:43:54 38370
ͣ.ǥ
ǡ

ģФȢңУѤդ򡢤줾СУѤȹͤȡ
⤵ãġãҡ£ġУġᢤ£ġУġ53
20451
衡դ桡СУѡ(5/5)(1/3)31
ѡѣá23ꡡСУѡѣá316
ä
У£á30*1+6/370ʣ2ˡȤޤ
922ڡ 6:20:23 38371
aibo
Ǥ
ABPADP3:2ꡢ
BP:PD=32
PR//BC
DRRC23
AD//QR
ADQR53ĭ
APDȢPQRȤ
APDPQR51
APDȢPQRι⤵31APPQ
ޤAQQC2346
APPQQC316
ä
APBPBC37

PBC70
922ڡ 4:07:33 HomePage:aibo38373
Ȥ
ɸǤǤʤΤǤޤ
򸫤Ƥ10ʬ餤ǤǤΤǰȻפޤ

BľADʿԤʤ褦
ľľPCȤθEȤ
APD:ABP=2:3
APD(=20)梤EPB=2^2:3^2
EPB=20*3^2/2^2=45(1)
PRQ(=4)梤CBE=2^2:5^2
CBE=4*5^2/2^2=25
(1)Ȥ
PBC=EPB+CBE=45+25=70()
˭ԡ 922ڡ 5:51:14 MAIL:fttnm528@ybb.ne.jp 38374
abcba@jugglermoka
ϴñǤǤ̤˲򤭤ޤ
922ڡ 8:28:55 38375
uchinyan
Ϥˤϡơϡ
ϡȤơŪˤɸŪȤƤϤפᡤȤäȤǤ礦
ʴǡ

ޤBPPD = ABPADP = 3020 = 32 Ǥ
ǡPR//BC CRRD = BPPD = 32 ʤΤǡ
DPQ = RPQ * DC/CR = 4 * (3 + 2)/3 = 20/3 cm^2DAQ = ADP + DPQ = 20 + 20/3 = 80/3 cm^2 Ǥ
ǡQR//AD CQQA = CRRD = 32 ʤΤǡ
DQC = DAQ * CQ/QA = 80/3 * 3/2 = 40 cm^2DPC = DQC + DPQ = 40 + 20/3 = 140/3 cm^2 Ǥ
ǡAPPC = DAPDPC = 20140/3 = 37 ǡPBC = ABP * PC/AP = 30 * 7/3 = 70 cm^2ˤʤޤ

椫顤
ADC = DAQ * AC/AQ = 80/3 * (3 + 2)/2 = 200/3 cm^2ABC = ADC * BP/DP = 200/3 * 3/2 = 100 cm^2
PBC = ABC - ABP = 100 - 30 = 70 cm^2
Ǥ⤤Ǥ͡

ˡˤƲ򤤤Ƥߤޤ㤨С
CRRD = 32θ塤CDCR = 53 ǡDR AC ˲Ĺ椬 53 ˤʤ뤳Ȥ顤
APPQ = (ABP/5)(ADP/3) = (20/5)(4/3) = 31 CQQA = 32 = 64 = 6(3 + 1) Ȥ顤
APPC = 3(1 + 6) = 37 ȤʤäơPBC = ABP * PC/AP = 30 * 7/3 = 70 cm^2
Ǥ⤤Ǥ͡
ͥνȡ 922ڡ 12:25:05 38376
uchinyan
ǼĤɤߤޤ

#38367#38370#38371#38373#38376κǸ
Ȥ顤
ADQR = CDCR = 53APPQ = 31APPC = 37
Ƴ򤯲ˡ

#38369
Ĥ̤㤹ԤãαĹȸӤȤơ
SAD = PQR * 25/9 = 100/9SPD = 280/9PBC = SPD * 9/4 = 70 cm^2
Ȥˡ

#38374
BľADʿԤʤ褦
ľľPCȤθEȤ
򷫤֤Ȥäơ
EPB = APD * (3/2)^2 = 45CBE = APD * (5/3 * 3/2)^2 = 25PBC = DQC + DPQ = 45 + 25 = 70 cm^2
Ȥˡ

#38376κǽ
Ȥ顤缡
DPQ = 20/3DAQ = 80/3DQC = 40DPC = 140/3 PBC = 70 cm^2
ȵƤˡθˡ㴳ΥХꥨ⤢ޤ

#38366
򤸤βˡ

#38363
ؤˤˡ
ͥνȡ 922ڡ 13:03:52 MAIL:uchi@sco.bekkoame.ne.jp 38377
imai
ĤλѷѤA,B,CȤϢΩ
922ڡ 17:56:31 38378
cyclone
Dz򤭤ޤ
޷˶ʤꤿ
922ڡ 20:32:22 HomePage:饤եå峫38379
ʤ󥸥㥤
١աäȡ©Ǥ
ͿƤǡƻȤޤǤĤ
߹ƤʡȤʳǡ
922ڡ 23:44:41 MAIL:kisumi52@gamma.ocn.ne.jp 38380
ڥ륽
䤢ʤȤ̣Τʤä
923ʶ 18:28:12 38381
٣졡塥
Ϣ09090985347ĤǤ⤫ƤƤ㤢ʡ
923ʶ 22:44:48 38382
۳ر
imaiβϤۤƱ䡣Dz򤯤ΤǤϤʤơDz򤱡
923ʶ 22:47:08 38383
Ϻ
ʤä԰¤ˤʤޤǽŪˤʤʤ͡äꡣ
924ڡ 23:25:18 38384
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ľηǼĤβפĤƤϤɡη򸫤ƤƤǸޤǤФ褫äȸޤޤԤ˴
925 6:56:27 38385
TERAHIDEѥå硩N13
ޤ󡪡KANNDETOKIMASITA~~ʡ
927ʲС 18:40:59 38386
Ĥ
ФDz򤯤ΤϡäݤɤΤۤȤŷͤΤɤ餫Ǥ礦ϡ1ȤޤʤäѤޤ9ܹʸפԤޤ1ǡɤΤ褦ʿͤʸפΤʡȳڤߤˤƤޤɤ⡢郎衢ظԤΤ2䤬Ǥդʡߤʡꤸͤ衣͡ä٤ϻرʸפʡФҶ
928ʿ 21:53:58 38387