ǯ
ǡʿԻշϴطʤ褦Ǥ͡
ĹǹͤȽ䤹
116ڡ 0:25:08 41313

ƱĹǹͤޤ
ȤΤʤȻפäɡפĤʤΤ
ɸȤäѤ򶯰˽ФƸκɸǤ
˿ؤǤ(-_-)
裲롼ס 116ڡ 0:29:50 HomePage:41314
줰뤹
ѷBCQΤ3/10ѷBPQ1/4ʤΤǡѷABPܻѷDPQΤ9/20
ᵵȤAP:PD=5:1ȽФΤǡȤǡ
PABʿԤBDȤθEȤPE:DQ=1/6:2/5=5:12
BE:ED=5:1BT:TD90:12=15:2ä7.5ܤȤäDz򤭤ޤ
116ڡ 0:38:59 41315
Ȥ
AP:PD=1-t:tȤ
1-3/10(=BCQ)-(1-t)/2(=APB)-2*t/10(=PDQ)=1/4(=PQB)
򤯤
solve(1-3/10-(1-t)/2-2*t/10=1/4,t);t=1/6
ľBC,PQθRȤ
PD:CR=2:3 PD=1ȤCR=3/2(袤PQD梤RQC),BC=6(AD=BC)
BR=BC+CR=6+3/2=15/2
PTD梤RTB=PD:BR=DT:BT=1:15/2 ꡡBT/DT=15/2()
˭ԡ 116ڡ 1:19:19 41316

ĹABCDBC4(Ŭ)AB5Ȥ20ǹͤ
PQB5
ΤȤPQBѤ4x2(xPBC˲BCθUBQθSȤPSĹ)ǵ뤫x2.5Ȥʤ롣
ΤȤSU2.5Ȥʤ
BU:UCAPPD5:1ФƤ
PQBCαĹθRȤ
PQD梤RQC2:3Ȥ򤽤
PD:RC2:3
AP:PD10:2
ȢPDT梤RTB
椬PDRB215
ä1527.5

⤦äꤷˡȻפorz
116ڡ 0:57:59 HomePage:41317

PQαĹBCαĹȤθR
QADʿԤBPȤ֤ĤSȤȡ
BPQABCD1/4ʤΤQS=1/2AD
PSQ梤PBR2:5ʤΤBR=5/4AD, CR=1/4AD
CQR梤DQP3:2ʤΤPD=1/6AD
DPT梤BRTʤΤDT:BT=DP:BR=1/6:5/4=2:15
äBTDT7.5

116ڡ 1:13:48 41318
persona
äƷ빽ԤƤ봶ޤʤ
116ڡ 1:16:44 41319
⡼ޥ
ꤤˡʬ餺^^;
AD=1,PD=x
x*5/2+2*5/2-x*2/2=5/4
3x/2=1/4
x=1/6
AP:PD=5:1
ȤϡĢǡ1:(5+1)+3/2=1:15/2
116ڡ 1:23:16 41320
ǯ
ǽPDȤäǷ׻ˡϡ
ĹǹͤƤ̤Ʊ
CDĹ5ADĹˤʤ䤹褦ˡ24Ȥ롣
Ĺѡ120
BPQ120/430
BCQ36
AB2:3ʬRȤ
APRܭDPQ24
顢BPR12030362430
ΤˡAP(30/3)*220DP24204
PQBCθSȤСDPQCSQꡢCS6
BTDTBSDP(24+6)415/2

116ڡ 2:14:46 41321
ϥ饮㡼ƥ
Ϥ褦ޤʿԻշȤ椫ޤˤʤޤ
116ڡ 7:50:55 HomePage:湩ؤ˥41322
ȤޤԤ
AP:PDѾ狼ơǸϡPQ BCαĹơͥ饦޷򥤥᡼BT:TDФޤ
116ڡ 8:18:25 41323
Mr.ǥ
ʥޡȤϲˡϸĤ餺
ᡧ⡡Ȥơ£αĹȣѣФαĹθҤȤƤ顢
ꥴȡ
⤦ͤƤ顢βˡٶƤ餤ޤ
116ڡ 10:24:50 41324

ΤޤޤǤ狼餺#41223Ʊ褦ü첽Ƶޤ
116ڡ 10:42:44 41325
֤
PQαĹBCȤθRȤ롣
QPD梤QRCꡢQP:QR=QD:QC=2:3
äơBPQ=2ȤȡBQR=3Ǥ뤫顢
PBR=BPQ+BQR=2+3=5
ѷԤȡDBR=PBR=5
ʿԻշABCD=4BPQ=8ꡢDBC=4Ǥ뤫顢
DCR=DBR-DBC=5-4=1
äơBC:CR=DBC:DCR=4:1
CR=1ΤȤȡQPD梤QRCDP=2/3
TBR梤TDPꡢ
BT:DT=BR:DP=(BC+CR):DP=(4+1):2/3=15:2
ʾꡢBT/DT=15/2
116ڡ 10:52:19 41326
CRYING DOLPHIN
P̤ABʿԤBCȤθR
Q̤BCʿԤABȤθS
PRqSθOȤ롣
http://cdcdcd.sansu.org/pika/junkfoods/san1-q871-sihenhenkei.png
뤳ȤǡʿԻշABCD4ĤʿԻշʬ䤵롣

PBQᢤPBOܢOBQܢPOQɽ뤬
AB//PRʤΤǢPBOᢤPSOBC///SQʤΤǢOBQᢤORQ顢
PBQᢤPSOܢORQܢPOQȤʤ롣

ʿԻշѤ[1]PSOORQ򢥡POQ򢣤ɽȡ
ܢܢܡ[1]ܢܢ[1/4]ꡢ
[1][1/4]2[1/2]Ȥʤ롣
BCBRˤĤ5BC3BR[1][1/2]ΩĤΤǡBCBR65

äơBTTDᢤPBQPQD[1/4][(1/6)(2/5)(1/2)]152
ï⤤ʤԳϡ 116ڡ 11:02:11 HomePage:֥⤢41327
masa
ñѤ
BCQϢABCD3/10ʤΤǢABP+PQD9/20
줫PD=1/6ADäƢpqd=1/30ABCD
BPQ:PQD=1/4:1/30=BT:TD ä7.5
116ڡ 11:23:50 41328
fumio
ˤϡ⤪˻Ǥ
ǯ٤⤤褤ǽ
礤ƺǸޤǤФޤ
ǤϤǤϡ
116ڡ 12:21:38 41329
uchinyan
Ϥˤϡơϡ
ϡŪˤϤȤ⤫ȤƤɸŪʤ㤨Сʴ

BC PQ 򤽤줾Ĺ R Ȥޤ
AD//BCPDQ RCQDPCR = PQQR = DQQC = 23
PBR = PBQ * PR/PQ = (ABCD * 1/4) * (2 + 3)/2 = ABCD * 5/8
BRBC = PBRPBC = (ABCD * 5/8)(ABCD * 1/2) = 54RCBC = 14
DPAD = (RC * 2/3)BC = (1 * 2/3)4 = 16DPPA = 15
PDQ = ADC * DP/AD * DQ/DC = (ABCD * 1/2) * 1/6 * 2/5 = ABCD * 1/30
BTDT = PBQPDQ = (ABCD * 1/4)(ABCD * 1/30) = 152
ĤޤꡤBT DT 15/2 ܤˤʤޤ

ޤʲˡꤽǤ͡
ͥνȡ 116ڡ 12:49:14 MAIL:uchi@sco.bekkoame.ne.jp 41330
uchinyan
ǼĤɤߤޤ
ĿŪˤϡǤɸŪ꤫ʡȻפäΤǤϫʤäƤ¿褦Ǥ
ʤܺ٤ޤǸȤ٤ưۤʤˡΤ褦ǤǤиʬषޤ (^^;

#41313#41314#41317#41321#41322#41325
Ĺü첽ƹͤˡ
ܺ٤͡ǤǤϾάޤ

#41314#41328
ABP + DPQ ABCD βܤ APPD Фƹͤˡ
ȾϥХꥨ󤬤褦Ǥ
ʤǽϡBCQ + BPQ = PBC + PCQ ȤäƤ⤤Ǥ͡

#41318
PQ αĹ BC αĹȤθ RQ AD ʿԤ BP Ȥ֤Ĥ SȤơ
Ȥäƹͤˡ

#41323
APPD Ѿ狼ᡤθ塤ͥ饦ȤˡʤΤʡ

#41326#41330
PQ αĹ BC αĹȤθ RȤơȤäƹͤˡ
ܺ٤ˤϥХꥨ󤬤ޤ

#41327
P ̤ AB ʿԤ BC Ȥθ RQ ̤ BC ʿԤ AB Ȥθ S
PR QS θ O ȤʿԻշABCD ϻͤĤΤʿԻշʬ䤷ƹͤˡ
οޤ⻲ȡ

#41314#41316#41320#41324
ؤˤˡ
ͥνȡ 116ڡ 17:56:48 MAIL:uchi@sco.bekkoame.ne.jp 41331
pao
ФǤϤʤʤΤ

ADBD줾E,O
PQBCθRȤ롣
EQ'=DQQ'EOˤȤQQ'//BC
BQ'ADθP֤
PDQ=PDQ'BCQ=BCQ'ȤʤΤ
BPQ=DCQ'=ʿԻշ1/4Ȥʤ롣

DQ:QC=PQ':Q'P=2:3 ġAE=EDǤ뤫
BC:AE:EP:PD=6:3:2:1
PD:CR=2:3

椨PD:BR=2:15ǤΤ
DT:TB=2:15
ϾάƤޤ
117ʶ 6:04:26 41332
ˤ
줰뤹ƱĤ뤫ỻǥå򤱤ޤ
121ʲС 15:55:22 41333