ʤ
꤬Ǥޤ
̳ƻ 127ڡ 0:01:55 MAIL:naka@sansu.org HomePage:naka's Home Page24418
ʤ
£ġᣴ
̳ƻ 127ڡ 0:04:20 MAIL:naka@sansu.org HomePage:naka's Home Page24419

£ȡᣴǤ礦
֤
äѤ餤ŷ񡡡 127ڡ 0:07:45 MAIL:hopes@mba.ocn.ne.jp HomePage:ȣϣУţ24420
ʸ

ɽ˺ܤʤäΤ
ͤϿޤ򸫤ȽǤ륿פʤΤ
9.375ޤ
127ڡ 0:11:02 MAIL:kyorofumi@msn.com HomePage:ʸ24421
ʤ
ޤޤߤФ褫ä^^;
̳ƻ 127ڡ 0:11:11 MAIL:naka@sansu.org HomePage:naka's Home Page24422
tomh
ޥ뤵ϡ˻ǤκäΤǤ礦?
ԡ 127ڡ 0:11:31 MAIL:tomh@yahoo.co.jp HomePage:H to M24423
оϩ
׻ߥ٤⤷Ƥޤäġġ
餯AD+BC¤ˤʤΤȻפ
AD=1ȤȤäƷ׻Ƥޤ
(1+21/4)*3/2=75/8Ǥ
γ 127ڡ 0:12:31 MAIL:pctakada@mail.goo.ne.jp HomePage:Ĥ줭24424
ʸ
äľʤΤǤȤ˻Ǥ礦
⾯٤Ƥޤ
ʸե뤸ʤ
127ڡ 0:12:47 MAIL:kyorofumi@msn.com HomePage:ʸ24425

ľDACA//HEȤʤ褦EȤDH=3DE=9/4(=DA+AE=DA+CH)
Ѥ(1/2)*(DA+BC)*DH=(1/2)*(DA+CH+HB)*DH=(1/2)*{4+(9/4)}*3=75/8

ǯκ󥿡⽪äƻäƤΤפФƺäꤷޤ
꤬פĤΤ˼ʬDz򤱤ʤȤϤǡˡ
̤̪ 127ڡ 0:13:30 MAIL:ishizaki@qa.so-net.ne.jp 24426
ߤ
äȣ£Ĥθ˻꤬ʤȤ顢ĤפȤ
ѷǹͤޤȤϣľѻѷDz򤱤нꡣ
ίޤ졡 127ڡ 0:16:20 24427
ޤ륱
#24424
פڤäơġᣰȤȣáᣰˤȡ׻ֳڤˤʤޤ
127ڡ 0:16:43 MAIL:take4310@mobile.email.ne.jp HomePage:ޤ륱24428
CRYING DOLPHIN
ʿԻշãţĤĤȡ£ġᢤãģŤꡢ
ѤϢģ£š
ģ£ȤȢţ£ĤʤΤǡ£šᣵ5/425/9ʲά

ʤ˿ǽꤵƤʷϵ
ʼºݤϽ㤬ʤɡˡ
ǯԥ奦ȡ 127ڡ 0:18:59 HomePage:θ³äƤɤΤ餤24429
nobu
AC=5*3/4=15/4 ׻ǤƤΤ˥ĥ᤬Ťä
127ڡ 0:20:14 MAIL:nobu-j@spacelan.ne.jp 24430
tomh
(ֻ)
ʸȿޤǡBHBDĹդʤ󤸤ʤǤ礦?
ޤ?
ԡ 127ڡ 0:30:08 MAIL:tomh@yahoo.co.jp HomePage:H to M24431
N.Nishi
դ3:4:5λѷ󤢤äΤHCȤAD9/4ݣȽФƤƲȤʤޤ
127ڡ 0:31:17 24432
ޥ
#24431
ʥƤޤm(__)m
MacOS X 127ڡ 0:31:50 MAIL:masaru-y@kt.rim.or.jp HomePage:24433
ʸ
ޤ̵ʤʤǤ

ͤϡ£=5cmȲꤷƤޤ
ͤդʿ޷ˤʤޤΤ
127ڡ 0:36:38 MAIL:kyorofumi@msn.com HomePage:ʸ24434

Υ᡼ޤ
ޤʸäƤΤǡʤʣ
٤Ƥλäǡ䡩Ȼפޤ
ƽ 127ڡ 0:37:56 HomePage:θ줳ߤ󡪡24435
ʤ
ߤʤƱ͡ʴǤ
ä˿ƤѤݤޤΤǡ
http://www3.sansu.org/tables/san0127_9375.gif
̳ƻ 127ڡ 0:38:12 MAIL:naka@sansu.org HomePage:naka's Home Page24436
tomh
#24433
Ǥ͡ľѻѷBDHΩޤ󤫤ͤ

ȤϤԤ¿ϡޥ뤵Υѥ˳
ƤƤơƤ(Ǥ?)äƤȤǤ礦 (^^;
ԡ 127ڡ 0:39:25 MAIL:tomh@yahoo.co.jp HomePage:H to M24437
arijune
οޤ180ٲžĤABˤäĤ롣ѤܤʿԻշǤ롣Cθ¦EȤЦEBD3:4:5λѷʥΤEB=AC=15/4äơ515/4룲=75/8
äơȲʿԤʻͳѷΤȤǤ礦ܥ
127ڡ 0:40:55 24438
ȥȥ
345ˤDH3ѷˤAC35/415/4
515/4275/8Ȥʤޤ
᤮Ƥ뤳Ȥ˵ŤӤ򸫤ޤ
ꡢԷǼĤȶϫPassϤְ㤤
⤦HomeäƺϤǤ餯ּޤ
ʼ˸лԡ 127ڡ 0:41:45 MAIL:h-sakai@zb3.so-net.ne.jp 24439
ʸ
#24437
ѥ
̤ɤߤƤʤ褦ʵ


ä

ȤȤ
(^^Ƥޤޤ
127ڡ 0:42:07 MAIL:kyorofumi@msn.com HomePage:ʸ24440
arijune
ɤǤ⤤Ǥɡlogߤ褦Ȼפäơ1~24409ȤϤѥե꡼ˤʤޤơorzʴǤ
>>ޥ뤵
OKߤǤ
127ڡ 0:54:01 24441
Ȥ
դѤ2ͤ˽ФˡǤ
褺HC=b,AD=aȤ
դȤʤѤ(a+4+b)*3/2
ޤľBDľACľ򤹤뤫
A(4-a,3) C(4+b,0) Ⱥɸˤ ٥ȥAC(b+a,-3)
|AC|=sqrt((b+a)^2+(-3)^2)
դȤʤѤsqrt((b+a)^2+(-3)^2)*5/2
ȭȤ
(a+4+b)*3/2=sqrt((b+a)^2+(-3)^2)*5/2
sqrt((b+a)^2+(-3)^2)=(a+4+b)*3/5
ξ2ǤbˤĤƲ򤯤
solve((b+a)^2+9=((a+4+b)*3/5)^2,b);
[b=(9-4*a)/4]
ȭȤ
b:(9-4*a)/4$
(a+4+b)*3/2;
75/8()
ǿʬη̤򥳥ԥڤȤΤ
ޥfortranѴ**^2ľ(ľʤȤ⤺ʤ)ʤȯޤ
Ȥžϼʬμ̣ǤʤȤ
ɸȤʤǤǤϡ
θ˭ԡ 127ڡ 2:15:10 MAIL:nm528@ybb.ne.jp 24442

ʸޡĤգ£ä˿ģȤ򲼤Ȥ£ġᣵcmȤʤޤޤг£ĤгäľѤ˸äƤꡢ£ȤĹϣcmǤ

ȤʤäƤ뤬ǽΣ£Ĥϡ£ȡ4Ǥ͡ʤƤ£ġᣵȴطޤ󤫤顣ǡΣ£ȤϡľȤΤȤ顢£ȡ4ǤϤʤơ£ġ5Ǥ͡ʤ

ޤ륱󤵤ƱǤ郎ʤжüʾꤹȴñˡȣá0Ȥơľ򤫤顢Ĥ3/4/3ơġ9/4
äơ9/4+4)*3/275/8

ƽ 127ڡ 2:36:33 HomePage:θ줳ߤ󡪡24443
kazsyun
£=ãĤꡢá15/4
127ڡ 6:56:33 24444
̾õ
Ϥ褦ޤ

Ѥޤʤ顢ġܣȣäϰǤ͡
ȤС£äˤ­ɤȤȡ
ɣ᣹
ʢãɤȢ£ģȤޤϷľ£Ĥľ򤹤ľäηݣʤΤǡˡ
127ڡ 7:16:27 24445
UnderBird
BA4-a,3,C(4+b,0)Ȥ롣ľBDη3/4ꤳ˿ľʶACη-4/3.
äơACη=(3-0)/{(4-a)-(4+b)}򤤤ơa+b=9/4
ȤϾܲ=4+a+b=25/4⤵=3ȤƤޤϤ
127ڡ 7:40:01 24446
kasama
Ϥ褦ޤCADˤ餻ޤ(*^_^*)Ѥդ˷ޤΤԻ׵ĤǤ(^_^;)
127ڡ 9:26:39 24447
uchinyan
Ϥˤϡ̤λǡ٥åɤξ夫٤ƤλäǤ
ǽ顢ʤʤ򤱤ޤǤޤˤǤ뤦ˡդȡդޤ
ޤAC BD Ȥθ E Ȥޤ
EAD, ECB, HDB ˤơλѷϤ٤ǡ3 : 4 : 5 ľѻѷˤʤޤ
ˡABCD = 1/2 * BD * AC, BD = 5 cm ʤΤǡAC ʬOKǤ
ǡ3 : 4 : 5 ľѻѷդ AC ѷƤȡ
AC = AE + EC = 3/4 * ED + 3/4 * BE = 3/4 * (BE + ED) = 3/4 * BD
Ϥäȶä
äơ
ABCD = 1/2 * BD * AC = 1/2 * BD * 3/4 * BD = 3/8 * BD * BD = 3/8 * 5 * 5 = 75/8 cm^2
ͥνȡ 127ڡ 10:38:30 MAIL:uchi@sco.bekkoame.ne.jp 24448
ϥ饮㡼ƥ
Ϥ褦ޤ

Ϥ䤵ä3:4:5ФDz򤱤
̶彣 127ڡ 10:38:52 HomePage:ĩ24449
uchinyan
ǼĤɤ֤ƤޤʸˤȤä褦Ǥ͡
ޥ뤵⤪˻Τ顢轵轵ϡѤǤ͡
#24448
䤽ǡ3 : 4 : 5 ľѻѷդ AC ѷƤȡ
AC = AE + EC = 3/4 * ED + 3/4 * BE = 3/4 * (BE + ED) = 3/4 * BD
䤳Ϥäȶä
ʤ󤫤äФƤޤäΤǡ

ɲäǤ
ϡAD + CH = ꡢȤϰϤǼͳ٤ΤǤ͡褦䤯Ǽޤ
μͳ٤褫ȡAD A AI = CH Ȥʤ褦˱Ĺ I ȤäƹͤȤˡ⡢
ɤʤ񤫤ƤȤפޤޤ͡
AIB = CHD ʤΤǡABCD = IBHD Ȥʤޤ
ޤAIHC ʿԻշʤΤǡIH BD ľ򤷡äơ٤δط顢DIH HDB Ȥʤޤ
HDB ϡ3 : 4 : 5 ľѻѷʤΤǡDH = 3 cmID = (AD + CH =) 3/4 * DH = 9/4 cm Ǥ
äơABCD = IBHD = 1/2 * (IA + BH) * DH = 1/2 * (4 + 9/4) * 3 = 75/8 cm^2
ࡢμͳ٤äѤޤΤϡäȡ򤤤ʡ

ͥνȡ 127ڡ 13:19:41 MAIL:uchi@sco.bekkoame.ne.jp 24450
⡼ޥ
ϲ򤱤Ƥ줷
CHˤäƤȡѷACD=ѷABD+ѷACD 顢
1/2*3*4*(1+(3/4)^2)=9+3/8=9.375
127ڡ 11:06:08 MAIL:kennji72001@yahoo.co.jp 24451
uchinyan
褦ʤΤǤAD + CH = ꡢ褫ˡ⤦ġ
Ѥäȸ¤굤դʤäΤǤɤʤ񤤤Ƥޤ͡ä (^^;
٤ϡHC C ˱ĹCP = AD Ȥʤ P Ȥޤ
ABD = CDP ʤΤǡABCD = DBP Ǥ
ޤACPD ʿԻշʤΤǡBD DP Ȥľ򤷤ޤ
ˡDBPHBD ǡ3 : 4 : 5 ľѻѷǤ
äơBP = 5/4 * BD = 25/4 cmDH = 3 cm Ǥ
äơABCD = DBP = 1/2 * BP * DH = 1/2 * 25/4 * 3 = 75/8 cm^2
ͥνȡ 127ڡ 14:08:17 MAIL:uchi@sco.bekkoame.ne.jp 24452
ҡΤ
᡹ޥ饽񤬤ΤǺդ9˽ޤ
عĴषΤǺˤޤʾ
ʤȤʤ鵯Ƥɤä...ʡ

Ϥ...̵äǤˡϤ⤷¾οͤ
ʤäƤ뤫Τޤ󤬰Ƥޤʡ

ʬBCC˱ĹCP=ADȤʤ褦Pޤ
ΤȤADBȢCPDդȹ⤵ΤѤƱ
ͳѷABCDѡᢤDBP
ͳѷACPD1ȤդʿԤʿԻշ
AC//DPƱ̳ѤǢBDP=90
ȤϢDBH梤PDHPDĹ15/4ȽФޤΤ
(15/4)52=75/8...ȽФޤʡ
ɥ 127ڡ 14:21:16 HomePage:24453
ҡΤ
...äƤˤƤä
äȻפäɲΤǤʤ...ʴ
ɥ 127ڡ 14:25:52 HomePage:24454
uchinyan
AD + CH = ꡢ褫ˡˤĤơñˤޤȤơˤޤ
AAD˱äACʿԤ˰ư硢CHC(ϤαĹ)ưޤ
ܺ٤Ͼάޤʿ԰ưǤ뤳ȤˤäơAADCHCȤ껦
ư΢ABCDѤϡư΢ABCDʤޤ
äơABCDѤˤϡ׻䤹褦ʰư򤹤нʬǤ
ΰưǡA -> D ȤΡC -> H ȤΤĤβˡ#24452 ڤ #24450бޤ
⤦ĤΰưȤƤϡACDHθDHMˤʤ褦ˤΤǤ礦
ȡDBH 3 : 4 : 5 ľѻѷʤΤǡDH = 3 cm ǡDM = MH = 1/2 * DH = 3/2 cm Ǥ
ޤξˤϡADM CHM ϹƱˤʤꡢAD = CH = 3/4 * DM = 3/4 * 3/2 = 9/8 cm Ȥʤޤ
äơABCD = 1/2 * ((4 + 9/8) + 9/8) * 3 = 1/2 * 50/8 * 3 = 75/8 cm^2
ͥνȡ 127ڡ 17:52:44 MAIL:uchi@sco.bekkoame.ne.jp 24456
DrK
ϡѤȤޤ
顢5:4=25/4:5ƳФդ25/4⤵3λѷѤƳФޤ
ҡ 127ڡ 18:34:03 MAIL:satoka@star.odn.ne.jp 24457
Ȫ
ޤǤä
127ڡ 20:23:08 24458
ؤء
ϤĤǤ
ʸ
127ڡ 20:55:46 24459
M.Hossie
Фˤ㡣פǤ͡¿ƱѤƤ󤸤ĹƹԤޤAD + CH = 9/4 cm () ˤʤޤ͡
ϤޤޤСե JTA 71 (īȾȯ) ȤäгعԤޤǶڲĤĤΤǡädzƤͽǤޤ䡢dzʬʾˤ٤Ƥޤʰ orz
Τꡡ 127ڡ 21:00:19 24460
uchinyan
Ѥߤޤ󡣼㴳ɲäǤ
AC DH Ȥθ X Ȥޤ
ȡ٤δط顢XAD XCH Ȥϡ3 : 4 : 5 ľѻѷǡȤʤ뤳Ȥưפʬޤ
äơAD = 3/4 * XD, AX = 5/4 * XD, CH = 3/4 * XH, CX = 5/4 * XH ǡDH = 3 cm Ǥ
ǡưפˡAD + CH = 3/4 * DH = 9/4 cm, AC = AX + XC = 5/4 * DH = 15/4 cm ޤ
ϡ
AD + CH = 9/4 cm ϡABCD = 1/2 * (BH + CH + AD) * DH = 1/2 * (4 + 9/4) * 3 = 75/8 cm^2
AC = 15/4 cm ϡABCD = 1/2 * BD * AC = 1/2 * 5 * 15/4 = 75/8 cm^2
Ƴޤ
ƸȡñΤ褦ʵ⤷ޤ
127ڡ 21:35:55 MAIL:uchi@sco.bekkoame.ne.jp 24461

Ū줷͡PCԤˤꥯå夷(줿)褦Ǥߤޤ
ӤߤƤޤӤϥ­Τޤɽʤޤ˽񤯤ΤʤäΤƬΤʤǤ㤴äȤޤäϿơΤȽΤμ桢Ӥ򸫤Ʒ׻ߥΤְ㤤Υ᡼ͤ󤫤Υ᡼򤤤Τ򸫤ơޤ
ϤDrKƱǤ
Ǥ

#ѥμοͤν򤫤Ƥޤorz
127ڡ 23:41:56 24462
akira
äꤷޤǤȤäƤ
128ʶ 8:08:21 24463
DrK
#24460
ädzƤˤϼž֤֤Ǥ15,16ǻȾ硢2123DZޤǽ餬5kg3kgޤг1ʤ100km٤Ǥ礦1⤢нʬ˲ޤ
ϤޤгˤϹԤäƤޤ󤬡ܸˤϵǯ˹Ԥޤ1110kmǡ8֤Dz뤳ȤǤޤ
ҡ 128ʶ 12:39:10 MAIL:satoka@star.odn.ne.jp 24464

HC=M cm,AD=N cmȤ

BC򱦤M cmĹCǡȤ롣BCǡᣴܡM+N

DCǡACʿԤǤꡢBDľ

BD BCǡᡡBH BD͡ ܡM+Nˡᡡ

M+Nˡ9/4

դȤʤѤS(M+N)*3/2͡75/8



ABCDѡỰѷDBC

128ʶ 14:24:25 MAIL:ted 24465

Ĥ̤äʿԤ£äαĹȤθŤȤ
Ѥѷǣѷģ£Ťˤʤ
ѷǣ£ŤˤʤäƤȤǤʡ
ǤȤäƣȣš᣹

ޤˣġᣰˤƤޤäǤޤɡʾС
ˡι񡡡 128ʶ 22:06:22 HomePage:¤ο24466
cm
᤯Ǥޤ
129ڡ 18:52:46 24467
̵
CHȽŤʤ褦ˤ롣
ʿˤDH=3
ACDBθOȤODXȤ롣
ʿˤOC=(9-X^2)
ޤʿˤOB=(7+X^2)
BD=OB+ODä5=X+(7+X^2)
5=X+(7+X^2)ξդ褹18=2X^2+2X(7+X^2)=2X(X+(7+X^2))
5=X+(7+X^2)18=2X(X+(7+X^2))=2X5=10X
椨X=OD=1.8
ޤOB=5-1.8=3.2

AODȢCOBʤΤǡAD:4=1.8:3.2
椨AD=9/4

äѤ(9/4+4)32=75/8=9.375cm^2
130 19:00:46 24468
ǥ
򤷤ޤ(T.T)
131ʷ 20:10:51 24469
ǶƤޤǤ
BCDľѤü첽Ʋ򤭤ޤ
21ʲС 6:44:18 24470
hiro
ʿˤꡢģȡᣳ
Ĥءȣä٤Ȥȡʣ+١ˡߣʬΣˤʤ롣ʻʿ
ߣʬΣᣴʬΣʤ줬+١ˤˤꡢ
ʣ+ʬΣˡߣߣʬΣ᣸ʬΣʿ᡼ȥ

Ǥ
21ʲС 18:19:48 24471
奼ߤ
190 ؤؤ̵̾ 05/01/31 10:53:30 ID:314GWYhh0
֤ʤ塹ڥߥʡʤο

ܤ̤ͽ 塹ڥߥʡ٤ϤȤƤ⿼Ĥ

䡢ϡ奼ߤϺЧȤդˤäơĤ줿ġ

ĹϹֻդ򤺤äԤĤΤ

֤ϤʤפƤΤ򤺤äԤĤΤ

Ч٤줿ιʤ򡢲²ϤäԤ³Τġ

äΡˤߡפϤɤäФΤ

ͤˤϤ狼ʤġ

װʾ˿ǼĤΥԥڡ
ĿŪˤϹǤ
ȿͻư¿Ǥw
21ʲС 23:02:35 24472
ޥ
ʤ...ƣǯĤˡ¿˻ͳˡ׹򤪵٤ߤ֤ˤʤäƤޤޤ˿ޤm(__)m轵ɬɬޤΤǡƼϤйǤm(__)m
MacOS X 22ʿ 22:01:23 MAIL:masaru-y@kt.rim.or.jp HomePage:24473
ʸ
#24473̤ˤʤˤˤʤʤƤ
轵ڤߤˤƤޤ^^
޷ʤ(^^
22ʿ 23:56:24 MAIL:kyorofumi@msn.com HomePage:ʸ24474
ޤ륱
ϤޤäưΡĶ¿˻ס
ʤͳΤäƤΤȡ
ޥ뤵󡢤ФäƤ
23ڡ 0:08:45 MAIL:take4310@mobile.email.ne.jp HomePage:ޤ륱24475
ȥȥ
ޤ˺ƤޤǤ⡢å
Ϣλʤ󤫤ä夦˺Ƥޤ
餤٤ߤǤϣˤǤ
ʼ˸лԡ 23ڡ 0:54:17 MAIL:h-sakai@zb3.so-net.ne.jp 24476
ߤ
ϥĤǤͤޤ˺ƤΤǡʤϼ¤Ͻޤ
ˤƤ⣹ǯˤ錄äߤϤʤäȤϡƤ򴶤ޤ

ǯ꤬ܤäƤ륵Ȥ¸Τä㤤ޤ󤫡
ίޤ졡 23ڡ 10:20:02 24477
uchinyan
䤪䡢ǰǤˡĶ¿˻ʤΤǤ̵͡ʤʤ褦ˡ
Ǥ⡢轵ڤߤˤƤޤ :-)
ͥνȡ 23ڡ 11:27:23 MAIL:uchi@sco.bekkoame.ne.jp 24478
M.Hossie
ĶפʤͭäƤΡĶ¿˻פȿ仡夲ޤȤɤڤˡޥ뤵

#24464 (Dr.K)
гž֤ǰΤŪ̵ʤΤǡ (12 km 餤) ޤǯۤ NHKؤ餵٤ˤʤäǤŬ٤ʵϢ³ɤưˤʤޤгޤ굤̣Ǥгϣܤ˥СǡǽгݤȻפäƤޤʤؤϣˡܸؤϣ˹ԤȤ˷ޤäƤޤ
Τꡡ 23ڡ 12:59:40 24479
Ŵƻ˥ޥʥޥǡ˾
Τߤ󤵤ޤء
ء⹻ʤСʾ̹http://www.inter-edu.com/פ
פޤʴְäƤ餴ʤξϡgoogleeduܸΤߡˤǸĤ򳫤OKǤ
ޥ뤵ޤ
̵򤻤줫ĥäƲڤߤˤƤޤʥޥǡˡ
ȤڭҤǤʥޥǡˡ 25ڡ 21:07:19 24480
RD
2/14⹻ʤǤʴˡ
28ʲС 21:36:55 24481