Ƕᡢ칹ľˤʤäơΤȤ
˺Ƥޤäơ轵ꥢ륿ǤǤƤޤ󡦡

ʤߤˡͣѣ¤ǣ򸫤Ĥ
ѣ͡ߣࣳǤ
917ڡ 0:15:22 35056
㡼ߡ
4 ̤ƱʤΤľΤǹͤޤ1 ʬǤ̵ġ
Ȥ礦Ȥ䤯 917ڡ 0:18:11 MAIL:kakuromaster@star.cims.jp 35057
cocolo
ѿABCDΤ٤Ƥդ
̤Ĺгˤʤ褦ľΤäƹͤޤ
QľΤĺˤʤǤ͡
Ȥ(3:4:5λѷФƤޤ)ȤäĹơ
1261/291/3108(Ω᡼ȥ)

*ȤǻפޤľΤѤ1/6ʤǤ͡
12121/291/6108(ʿ᡼ȥ)
ʼˡ 917ڡ 2:26:07 35058
Mr.ǥ
񤷤
ϤϡؤȤäƤϵDz򤭤ޤ

ڻˤˡ
MAC˿MH򲼤ȡMAB ջѷ顢HABȤʤޤ
оAPBHϸΤǤθRȤޤ
ABM AHHB11BP:PM21ꡡAR:RP31
ʿʤꡢͥ饦Ȥʤꤹȵޤޤ

椨ˡAR103/415/2Ȥʤ뤫顡AH6Ǥ뤳ȤȤ碌 ARHϡ
345λѷ
PAB梤PQMꡡQM6(cm) ,AQMRAH
äơAQCD˲Ĺϡ15(3/5)9 (cm)
ʵΩΤѡˡ(1/3)ߢQCD9(1/3)369108 cm^2)

äȳڤʲˡꤽ
917ڡ 1:55:11 35059
Ҥ
ͳΣĤĺѤ
ͳι⤵ϣǽФޤ
Ѥ1/3⤵3/2
ʼ˸ 917ڡ 9:05:15 35060
abc
̻ΡʣĤλѷΤ٤Ƥ̤ƱʻΡäˤǤջѷˤˤƤޤƤȻפޤ
λΤϡƱʻѷΣĤդĹĤ̤ĹгĹľΤޤȤͭ̾ꡢΤȤѤƲ򤭤ޤ

ޤľAEBF-GCHDʤ礦ĤλͳѷAEBFGCHDгABCD12ѤˤʬAPQQϡH˰פ롣ʢ袤MPQ梤BPA1:2MQBA,MQ:BA=1:2
ľѻѷABQ(H)AB=12ѡAQ(H)=15ѤBQ(H)=9ѡ(3:4:5)
äơʻAQCDѡˡ(BCDQ(H)ѡ
1/3)*(ľջѷCDH(Q))*(BH(Q)Ĺ
(1/3)*(12*12*1/4)*9108(^2)

917ڡ 12:09:12 35061
uchinyan
Ϥˤϡơϡ
ī򸫤
֤ޤɸǥꥴФǤ뤱ɡ(ФƬΩΤ򤤤ưƤߤ롣)ʤñ󡪡
Ȥ櫓ǡβˡˤʤޤ

(ˡ1)
ꡤΩΤ ABM ޤʿ̤˴ؤоΤǤǡQCD QC = QD ջѷ QMCD Ǥ
ޤACD BCD ϹƱʤΤ AM = BM Ǥ
ǡABM ޤʿ̤ˤ̿ޤͤȡ
MAB MA = MB ջѷǡMPPB = 12 = 510 = QPPA ʤΤ MQ//AB ǡ
MQAB = MPPBMQ12 = 12MQ = 6 cm Ǥ
ޤMP AB ˿򲼤줾­ HI Ȥȡ
HIIB = MPPB = 12AHHB = 11 = 33AIIB = (AH + HI)IB = (3 + 1)2 = 42 = 21 = APPQ ʤΤǡ
PI//QBABQ = AIP = 90롤AQ = AP + PQ = 10 + 5 = 15 cmAB = 12 cm ꡤAQB 345 ľѻѷǡQB = 9 cm Ǥ
ǡMQ//AB äΤǡA MQ ˲Ĺ QB = 9 cm Ǥ뤳Ȥˤʤޤ
ʾꡤQCD QM ˴ؤоΤäȤꡤ
ѤAQCD = ѤA-QCD
= QCD * (A QCD ˲Ĺ) * 1/3
= QCD * (A QM ˲Ĺ) * 1/3
= (CD * QM * 1/2) * QB * 1/3
= (12 * 6 * 1/2) * 9 * 1/3
= 108 cm^3
ˤʤޤ

(ˡ2)
(ˡ1)κǸμ (12 * 6 * 1/2) * 9 * 1/3 = (12 * 12) * 1/4 * 9 * 1/3 餹ȡ
̤гĹ 12 cm ǡ⤵ 9 cm ľΤळȤǤǤ
ºݡAB CD ϡо 90Τͤΰ֤ˤꡤMPPB = 12 = 510 = QPPA MQ//AB ʤΤǡ
AB гȤCD гȤͤʿԤ֤ƾ̵ڤ̤ȹͤ
ACADBCBD ¦̤ĹгȤ褦ľΤͤ뤳ȤǤޤ
ΤȤQ ϡCD гȤ ĺˤʤޤ
ޤAQ = 10 + 5 = 15 cm ϡľΤгʤΤǡAQB 345 ľѻѷˤʤꡤ
ľΤι⤵ = QB = 9 cm Ǥ
ǡѤAQCD ϡľΤ 1/2 * 1/3 = 1/6 ǡ
(12 * 12 * 1/2 * 9) * 1/6 = 108 cm^3
ˤʤޤ

ĿŪˤϡʤ(ˡ2)ϾɤǤ
ΩΤľΤʤɡ褯ʬäΩΤؤߤΩΤڤФϻǤϤ褯ˡʤΤǡ
˴Ƥͤϡषβˡ⤷ޤ͡
ͥνȡ 918ʶ 18:10:04 MAIL:uchi@sco.bekkoame.ne.jp 35062
uchinyan
ǼĤɤߤޤ

#35056
ѤAQCD = AQM * CD * 1/3 ȹͤAQM 345 ľѻѷѤƵˡ
ǽ㴳㤤ޤ#35059ʤɤȤäƤ뤳ȤƱȻפޤ

#35057#35058#35060#35061#35062(ˡ2)
AB гȤCD гȤACADBCBD 򤽤줾¦̤ĹгȤ褦ľΤͤˡ

#35059#35062(ˡ1)
ѤAQCD = QCD * (A QM ˲Ĺ) * 1/3 ȹͤĹ 345 ľѻѷѤƵˡ

#35064
ѤAQCD = ѤABCD * 1/3 * 15/10 ȹͤѤABCD = MAB * CD * 1/3 ȤƵˡ
¿ʬMAB Τϡ#35056#35059ʤɤƱ褦ʹͤȻפޤ

ʤ

#35061
̻ΡʣĤλѷΤ٤Ƥ̤ƱʻΡäˤǤջѷˡϡ
ƱʻѷΣĤդĹĤ̤ĹгĹľΤޤ
Ȥͭ̾ꡢ
ʤۤɡΤޤǤФΤ褦Ǥ͡
ٶˤʤޤ
ͥνȡ 917ڡ 13:52:58 MAIL:uchi@sco.bekkoame.ne.jp 35063
abcba@jugglermoka
3:4;5¨ǻȤȻפǴְ㤨ޤޤ
դ12⤵9ջѷĹ12դ˿ľ˰֤ƤΤǡ54123=216礭ʻѿѤǤ1/3ܤ15/10ܤƵޤƤäɻDz򤱤ΤǼʬǤϤ褷ȤƤޤ(^^:
ڤޤƤٶĺͭ񤦸¤ޤ

Ȥ:
޷϶ʤΤΩΥѥϤʤ....ؤȥѥΰ㤤?
917ڡ 13:11:53 35064
ޥ
ϡ黻ˤƤߤơʿ꤬äƤʤʤ¸ʤä̻ΡץͥǤͤΰ֤ˤ룳ȤդĹͿѤᤵȤץʺʤ顢AB=CD=4,AC=BD=5,AD=BC=6ȤˤΤۤȤϻפΤǤȤɡƤ3:4:5Ǥ꤬줺...äȶϫޤΤ⤢äơޤʤˤʤäƤޤäϤޤդϤƼϤ

⤦ġ֤ƼϤץͥäơTOPڡˡͥΥ󥯤򤷤ޤޤʬΰ⤤ä뤫Ȥϻפޤ...m(__)m
֤ǤɾƤ׼ԤȤơ䴶ŪˤʤäƤ봶뤳ȤϽšΤƤޤޤˡ֤ʤ麣ʤʡפȤȤǡ
PowerBook 917ڡ 13:23:21 MAIL:masaru-y@sansu.org HomePage:Men @ Work35065
#35065
ֽɾδε󵭼ԥ֥ǥӽȷ񸫤ؤפؤΥ󥯤⤳ȤǤ
http://diamond.jp/series/uesugi/10094/
917ڡ 13:37:37 35066
ޥ
ߥޥľޤ..m(__)m
PowerBook 917ڡ 13:47:07 MAIL:masaru-y@sansu.org HomePage:Men @ Work35067
⡼ޥ
øˤϤޤ...^^;Orz
#35056
ΤꥢǤ狼䤹ʢ
BQ=9 ...AB-CD֤εΥȤƽФޤ ^^
ʿԻշMBAQ'򤫤󤬤...MQ'Q"A򡢷֤AQ"MQ"
AQ=15,QM"=12 狼ޤ ^^
917ڡ 14:21:52 35068

ͤΤABDդȻפǤޤä𤱤ʤ䤡
917ڡ 22:37:09 35069

#35068
꤬Ȥޤ
ʴǤ
ͤ¤˿ͣȤ򲼤ȡ͡£ͤ
ȡ£ȡ᣶
//ͣѤǡͣѤ⣶ʤΤǡ
¢ݣ£ѡ£ѢݣͣѤǤ顢
£ѤϣʤΤǡ
äƹͤޤ
¼ƱȤǤ͡
917ڡ 22:51:02 35070
baka
ϼʻˤ񤷤
̱ޡĥäɤƤ

918ʶ 4:00:16 35071
ȤޤԤ
ͤΰ֤ˤ룳ȤդĹͿѤᤵȤץ

ˡ쥹ĤƤߤޤæǤ

̻Τѣ֤äơإäݤɽǤǤ͡
̤뻰ѷλդa,b,cȤơˡs2a^2+b^2+c^2)/2 Ȥ

֡1/3s2-a^2)s2-b^2)s2-c^2)

Ǥϡa=12, b=c=317 ȤƷ׻Ǥơ֡216Ȥʤޤ͡
919ڡ 18:02:59 35073
Ф
̻ΤϾΤǰ䤬ǤƤޤ
ϤȤΤ줺ͣ¡ߣãġߣߣߣǤ
921ʷ 16:04:25 35074
Ф
ȤޤԤ󤵤#35073
ľΣ£ãġݣǣ¡ǣáǣġǤǣá¡ǡġǤ̻ΤˤʤޤȤУáᡢġ⡢ġǡcȤǤ⤪ưפˤμƳФޤ
921ʷ 16:12:25 35075