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դäȣͽФޤ...ߥʤɤΤǤ..

# ޤϤΤˤƤߤޤ
iMac 124ڡ 0:21:58 MAIL:masaru-y@sansu.org HomePage:31462
Taro
#31462

СDzϣĤͤǤ
ƤƤϻѴؿޤȤ˰ޤ(^^;
124ڡ 0:29:54 31463
ʤ
Уääޤ֤ãУȤãȤޤ֤ȳ٤δطǤޤ줫Уȡᣳ
124ڡ 0:36:14 MAIL:jun23@guitar.ocn.ne.jp 31464
ʸ
ԥååפƹͤƤߤޤ

http://kyorofumi-sansu.hp.infoseek.co.jp/sansu1.jpg

x:5=(x+12):12
12x=5x+60
x=60/7

Ȥǡ
7/2

򤱤ʤäΤ
ĥäĴ٤ǤɤȴƤߤ
2008ˤʤʤƤ⤷Ǥ͡
124ڡ 0:43:54 MAIL:kyorofumi@msn.com HomePage:ʸ31465
Ϥʤ
ѤäȤߤȤ狼äĤʤΤ40ʬȤϡ
ѿ󤬤餬ޤ

̤£äʿԤҤ£ãѤˤʤѤȤäơȤǡ

#31464ʤ
ʤۤɤϤưޤ
124ڡ 0:53:48 31466
sugitakukun
פ֤Ǥ
Фޤäơ20ʬФ˺Ƥޤ^^;

ʣ񤹤ˡ
Ȥꤢ2ܳѤʤΤǡBʬACȤθQȤ롣
ABQ梤ACBʤΤǡۤǤƱäƤߤ롣
¨BAQ˸äƿ򲼤­R
ABQ˸äƿ򲼤­S
2ܤοθTȤ롣
ĤǤˡASBCޤǿФơCIȤθUBCȤθVȤ롣
ACI礭
BCI礭ߤȤƹͤƤߤ롣

ޤAIP梤CHPĺѤľѻѷˤʤΤǢAIP
ۤƱäƤΤǢTARUAC
ȳCUVߤǡTHBߡ

ABCߡߤǢABRʡACI)ʤΤ
TBVߡߡ
äơTBVTB=TVջѷǤ롣
ǡAT=֤СAT:TB=5:12TB=TV=Ȥʤ롣

³ơABH꤫顢ߡߡߡ90٤Ǥ롣
ǡľѻѷAHVܤȢHAV=
äơBAV=ߡߡBVAʡBVT)ȤʤΤǡBVABV=BAȤʤջѷ

ǡBSASꡢBSϢBVAοijѤʬǤäΤǡASSVȤʤ롣
äơAVAT+TV᭥ܭ᭱ǤäȤ
AS8.5߭͡TS3.5߭

ʾΤȤꡢAT:TS=5:3.5
ABQACBν̾äΤǡAT:TS=AP:PH餫
äơPH=3.5cmġʲ

Ĺ
ڡꤹ餷ޤm(_ _)m
KKS衡 124ڡ 1:07:28 MAIL:sugitakuunikun@msn.com HomePage:White Shadow31467

󤴤ˡɤ͡
ȤäơABH=HPCޤȯ롣
HPC2ʬȡHCθQȤ롣
PH=xcmȤȡHQ:QC=x:12(Ѥʬ)Ȥʤ롣
HQ=kxȤȡQC=12kȤʤ롣
AHCȢQHPʤΤǡ
(x+5):(x+12)k=k:x=k:1Ȥʤ롣
ꡢk^2x+5/x+12ˤȤʤ롣
HPC˻ʿŬѤơ
^2+(12+)^2롰2=122Ȥʤ롣
ꡢ=7/2Ȥʤ롣

124ڡ 1:10:54 31468

ͤȻʿDz򤭤ޤ

Ȥ鷺ˡޤ֤Dz򤤤
#31464ʤ󡡤Τ֤ʡ
124ڡ 3:00:16 31469
ʤ
ǽϻѴؿDz򤭤ޤ
ѷPHC򲼤ޤ֤Ƥߤȡդ
http://www3.sansu.org/tables/san0124_72.gif
̹񡡡 124ڡ 4:45:05 MAIL:naka@sansu.org HomePage:naka's Home Page31470
ֿء׾ι
ʤߤˡܣ߳ѤλϡǤ͡ʡ
124ڡ 9:28:29 31471
ϥ饮㡼ƥ
Ϥ褦ޤ

ѴؿMathematicaǤ
124ڡ 10:05:12 HomePage:湩ؤ˥31472
uchinyan
Ϥˤϡơϡ
㴳äƤΤǿؤäݤǤ٤ϿޤлʡȤȤǡˡ

PCH BC ˴ؤޤ֤ P ΰư Q Ȥޤ
PCHPAI ǡPHC = 90= PIACPH = API ʤΤǡPCH = PAI = BAH Ǥ
ޤABHACH ǡBAH + ABH = 90= CAH + ACH ʤΤǡ
QAC = CAH = BAH + ABH - ACH = PCH + 2 * ACH - ACH = PCH + ACH Ǥ
ǡQCA = QCH + ACH = PCH + ACH ʤΤǡQCA = QAC ˤʤꡤQA = QC = PC = 12 cm Ǥ
ǡQA = AP + PQ = 5 + 2 * PH ʤΤǡ5 + 2 * PH = 12PH = 7/2 cm ˤʤޤ

ϰ˻ʤꤽʤΤǡǼĤ򤸤äɤʤ⡣ǡĤΰİĤδۤϡ¿ʬ (^^;άޤ
ͥνȡ 124ڡ 10:51:53 MAIL:uchi@sco.bekkoame.ne.jp 31473
uchinyan
ȤϤΤΡäȷǼĤ򸫤ޤ
#31473βˡϡʤ#31470Ʊä褦Ǥ
ʤ󤵤(դࡤäʶ路 (^^;)#31464ϤǤ͡
ͥνȡ 124ڡ 11:02:01 MAIL:uchi@sco.bekkoame.ne.jp 31474
Ф
Ѵؿȥԥ饹ǤDzä
124ڡ 13:02:08 31475

ͧǣäƽФΤǡȡ᣸СܣУäȾʬäƻפäơ£äޤ֤Ƣ£ãǤȤȡУǡᣱȤʤΤǡХ󥶡äƤʤޤ
ͧΤǤѤʸǤߤޤ
ܡ 124ڡ 18:25:27 MAIL:daisuke18@sb.dcns.ne.jp HomePage:31476
ȤޤԤ
ACH=Ȥ롣ѣľѻѷǤΤǡľѻѷλȤäơʬ򤹤٤ƦɽƤ

Ǹ˻ȤäƤʤȤľѻѷACHѤ롣

ȡtan5+12cos2/12sin2

ʤ롣cos2ˤĤƤȤСcos2=7/24ưפ롣
125ʶ 20:23:56 31477
ͧοʺ
ʤʥС򸫤Ƥߤȡʤȡ5320000֡ץ㥹ȡ
ĤϽդﵯ襤ȰͤDZ٤äƤޤ
126ڡ 10:00:22 MAIL:tanioka-s@ams.odn.ne.jp 31478
ȤޤԤ
ͧ䡡ոƤޤ

ɥȢǤⲿǤ⤤ǤˤĤꡢĤꡣ
ĩԤϡĤΤĤ֡
ȡʲԤϡĤΣĤΥɥΤ֥ϥΥɥפ򣱤ij롣
θ塢ĩԤϡɥȡĤ⤦ĤΥɥ򤹤븢Ϳ롣
A)ɥܤȡB)ΥɥΤޤޤǤ硢ɤ餬ΨŪͭ

ϡA)2/3B1/3ȹͤƤߤޤ

ɤ1/2Ȥո⤢褦Ǥ

٥ˤȤľŪϡΥǤ䤹Τǡ줬ոγˤĤʤäƤȻפΤǤηä򤯤
126ڡ 16:43:40 31480

#31480
ץǥߥ쥤󤷤̤ϡ
(A) 2/3 (B) 1/3
ٻ褦Ǥ
ԡ 126ڡ 18:28:09 31481

#31480
ΥƱꤲơɽΤȤ⤦ɽγΨϤɤȤ˻ƤȻפޤ

ʲԤɥֻĤΤΡ¦ΥɥפʬäƤ1/2ȻפޤɤʤΤǤ礦
ܡ 126ڡ 19:06:52 MAIL:daisuke18@sb.dcns.ne.jp HomePage:31482

ñ˹ͤȡ
ǽĩԤֳΨ(1/3)Ϥϡ(2/3)
ưСϤ(2/3)ɬˤʤ롣
äơưС(2/3)ȤʤΤǤϤʤǤ礦
ԡ 126ڡ 20:08:58 31483
X
ջѷդĤˤʤ褦ԥäȰƤȤޤǤĹȤȣˤʤޤʬϤǤɡƤ餽ޤǤ빽ƤꡢκäȤȤޤǤ⽵ޤǤ줳ҤޤߤĤƹͤۤڤȤפޤ

轵ΤϤ夲ǤȤǼĸƤʤȴäȤϡޡȤʳϤʤǤ͡
126ڡ 22:52:40 31484
X
ܤBCH˴ؤBȿФDȤǤ⤹ȡBC-ABBHܤǤ뤳ȤѤޤǸ塢ʬˤʤäɥԥ饹ϻȤäƤޤ
126ڡ 23:01:52 31485
doba
#31480 ȤޤԤ󤵤
ͭ̾ʥƥۡ롥ޤǤ͡
ξ硢˱ԤɤưȤ뤫ȤȤƵꤵƤȤȤפǤξϡΤ褦ʼ礬ֻˡ׷ޤäƤ櫓Ǥ

(1) ĤΥɥΤĤˡʤ줾1/3γΨǡФ졢ꤵ졢˾ʤ֤롣ʢθƤιưǤʤ顢줬Ū˷ꤵ줿ȤƤ⡢ϵˤϱƶʤΤǡΥϤޤפǤϤޤ󡣡
(2) ĩԤϡĤΥɥΤΣĤˡʤ줾1/3γΨǡ֡
(3) ʲԤϡĩԤɥɤǤäƤ⡢ʲ(3-1)(3-2)˼ưȤ롣
(3-1) ĩԤɥǤС⤦ĤγΥɥ򳫤Ƹ롣
(3-2) ĩԤɥǤС¾ΣĤΥɥΤĤˡʤ줾1/2γΨǡӡΥɥƸ롣

פʤΤϡ(3)ιưɤʾˤԤ뤳Ȥ˷Ƥ뤳ȤǤ⤷(3)ιưȤ뤫Ȥʤ򡢻ʲԤΤøǷƤȤǤСĩԤǽɥ꤫줫ˤäƻʲԤ(3)ιưȤ뤫ݤγΨѲǽꡢϡǻʲԤ(3)ιưȤäȤη̤ƧޤդΨˤʤäƤޤޤʤ󡢻ʲԤιưꤵƤʤʾ塢ϽФޤ󡣡

⤦ĽפʤΤϡ(3)ˤơʲԤɬ֥ϥΥɥפ򳫤뤳ȤˤʤäƤʤʤ嵭Ǥɤʾ(3-2)Τ褦˥˳ΤǤϤʤĩԤǽ˳(3-1)Τ褦ʤ褦˷ޤäƤˤȤȤǤ줬⤷ɤʾĤ룲ĤΥɥΤĤ˳ơ줬ǤФλĩԤΥϥϳꤷ줬ξΤĩԤѹ븢ȤǤСޤ㤦ˤʤޤ

ꥸʥǤϡѹΨ2/3Ǥ뤳ȤϤ褯ΤƤޤʲԤɬ˻ĤΥɥΣĤ򳫤ƤޤǡĩԤѹ븢Ϳ줿ͤѹΨפϡ1/2Ȥʤޤñˡ֣Ĥ飱֤1/2פȤäǤϤޤ󡣥೫ξͤơ(a)ĩԤǽֳΨ1/3(b)ĩԤǽ˳ǡʲԤֳΨ(2/3)(1/2)1/3(c)ĩԤǽ˳ǡʲԤǤޤΨ(2/3)(1/2)1/3ʤΤǡ(c)ǤϤʤȤꤷ(b)ǤΨפȤ̣ǡ(1/3)((1/3)(1/3))1/2ȤȤǤ

꤬ˤʤ뤿Ӥ˵ȯʤΤϡǤפǤ(3)ʬܼŪ˾ʬޤƤǤˤ⤫餺֥ϥΥɥ򣱤ijפȤɽƤȤˤ⡢褦˻פޤ

ʸ̮Ǹɤʤ褦˺ٶĴƤȡ#31480ʡᥪꥸʥˤǤϡɥѹΨ2/3ǡѹͭȤΤǤ
127 1:15:42 31486
ȤޤԤ
doba󡢤

꤬ȤޤȤƤ⤵󤳤ˤʤޤ
127 8:56:58 31488
ǥ
ä˶줷ߤޤ컲ðǯȾ)ˤɤ失ʤʤȤǤ
Ϣ³Ʋ򤤤ƤȤڤ줺ۥäȤƤޤ
ϰϤDz򤱤Τǡ٤ޤʤˡ(ˤ񤭹Ǥߤޤ

(1) £ä˴ؤƣоΤ'Ȥȡã'ջѷȤʤޤ
(2) ܣ¤ʬȣ,ãɤȤθ򤽤줾,ŤȤȡѤδط֢УģŤ
ջѷפޤ
(3) ܣģ£áܣ£ã'ꡢ£//' ȤʤꢤУäջѷȤʤޤ
äơУ'Уá12
(4) ȡ'/2(12+5)/217/2(cm)ȤʤꡢУȡ7/2(cm)
128ʷ 0:36:05 MAIL:cacrh525@hcn.zaq.ne.jp 31489
banyanyan
#31489
ϤäꤷƤƤФ餷ǤѤʬʤ
ʬȤäƤʤȤˤǤ

ϳ٤xyȤꤷơޤޤȣְʾ⤫äơ
ʤοޤˤ褦䤯ɤĤǤ
ʤƱ򤵤ƤΤ򸫤ƤۤäȤƤޤ()

ʤϡ޿ͤλˤϻפĤ⤷ʤ
ȤƤˤϤɤĤˤʤǤ(ࡱ;)
128ʷ 2:14:28 HomePage:뤤²ײݻ31490
ǥ
ȤޤԤ󤵤(#31480)򤤤Ǥ͡
̤ϡ¿οͤ񤫤Ƥ̤ (A) 2/3 (B) 1/3Ǥ뤳Ȥ餫Ǥ

ȤǤΨ 1/3줬ǤȤʤȡʲԤְտŪˡ
ϥ򳫤Τ顢ΤäȤDzȽǺˤʤ餺ȤƤ줬
Ψ 1/3ΤޤޤǤ
顢ĤΥɥǤΨ 1-1/32/3

ʲԤȤ˲ȽǺˤʤäƤʤΤˡĤˣĤ 1/2 ȺФȤ
[٤]Ǥ͡
128ʷ 18:24:18 MAIL:cacrh525@hcn.zaq.ne.jp 31491
X
ޤԤƤʤͤءܲؤؤοؤΤäƤ칩ʤʤλΤ˻ǤϤȤʤǤ

ΤΤ٤ƤΤ̤ʿԤ̤ǡΤ纬ڤߤڤꤹ硢ĤҤˤ狼뤫ȤꡣڤϤ٤Ƥɽ̤ˤѷդʬˤʤ뤳ȡ

129ʲС 16:48:17 31492
ޤ륱
581νɽ줬ʤ򤷤Ǥ
130ʿ 17:09:00 MAIL:take4310@mobile.email.ne.jp HomePage:ޤ륱31493

Ǥ͡
ܡ 130ʿ 18:33:48 MAIL:daisuke18@sb.dcns.ne.jp HomePage:31494

Ȥä
130ʿ 23:54:36 31495