Ȥٺ
815ڡ 0:13:07 40802
Mr.ǥ
Ȱä᤯򤱤ޤ
APʬȤդѤ
APCᢤABC*(1/3)ABCD*(1/6)
APQᢤAPQ*(4/13)ABCD*(2/13)

ͳѷACPQABCD*(1/62/13ˡABCD*(25/78
ä
ABCD78*78/2578/5ˡ2
äơ1ա78/5Ȥʤޤ
815ڡ 8:25:26 40803

٤ǴδФޥҤƤޤ
ɸDz򤭤ޤ
áʣˡΰդĹ13t ȤƲ򤯤
t=6/5 Ȥʤޤ
裲롼ס 815ڡ 0:19:08 HomePage:40804
abcba@baLLjugglermoka
ABC:ͳѷACPQ=3:25/13ˤꡢѤ7878/25äơդ78/5
815ڡ 0:19:23 40805
⡼ޥ
դĤ(6t^2)颤ä...^^;
6t^2-(9t^2/2)*(9/13)=78
75t^2=78*2*13
9t^2=6^2*13^2/5^2
3t=6*13/5=15.6
^^;v
815ڡ 0:24:54 40806

ΩΰդĹ6a(ʬ餹)ȤơѤĤ꤬78cm^2ȤȤäƥꥴ׻ޤͽ۳˽̤ɤä∑()
815ڡ 0:33:17 40807

ADPʿԤľҤBCȤθRȤ롣
ʿԻշADPR=ABCD
APC ϻͳѷȾʬAPR1/3
APQϻͳѷȾʬAPD4/13
ʾS/21/3+S/24/13=78
S=25/78=78
դĹx=S =78/5
Ȥʤޤ
815ڡ 0:54:32 40808
Ȥ
B(0,0),C(3*a,0),P(4*a,0),A(0,3*a)Ȥ
ľAQ᤽BPθ
ACPQ=ACθ(=(θxɸ-Cxɸ)*Ayɸ/2)-QPθ(=(θxɸ-Pxɸ)*Qyɸ/2)=78
Ȥơxmaxima ΰդ

solve(3*a*4/13=(3*a+a*9/13)*k+3*a,k)$
solve(0=rhs(part(%,1))*x+3*a,x)$
3*rhs(part(solve((rhs(part(%,1))-3*a)*3*a/2-(rhs(part(%,1))-4*a)*(12*a/13)/2=78,a),2));78/5()
˭ԡ 815ڡ 1:43:04 40809

ѤȣãĤθR,£áѤαĹθӤȤңФ֤
ѣģ梤ѣУӤ椬ʤΤǣУӡᣴäƣãӡ᣷
ңģ梤ңãӤģҡңá᣹
ңУѡᣴȤȡңУѡңѣġᣴꢤңѣġ᣹
УģҡУңáᣰУģҡᢤңУѡܢңѣĤꢤУңá᣹᡿
УңáãСᣱꢤãС᣹᡿
ãҡңġ᣷ꢤңġᣳ
äƻͳѷãУѡᢤãҡܢУңáܢңУѡᣴ᡿᣷
줫ᣳ
£ãġᣲߡʢãҡܢңġˡᣲ᡿ʣˡߡʣˡʣߣߣˡʣˡȤʤ꣱գˤʤޤ
桢դʤΤǻǤΤ?Ǥ礭ʿˤʤäݡߤʤεڤߤǤ

815ڡ 2:43:53 40810
mukku
by math..
815ڡ 3:50:03 40811

6ߡFormȿǤƤʤ褦Ǥ
815ڡ 6:27:40 40812
ϥ饮㡼ƥ
ᤦޤѴؿȤ򤭤ޤ
815ڡ 7:20:59 HomePage:湩ؤ˥40813
ȤޤԤ
ϢΩ478Xܣ᣷XꡡX=13*6/5ˡ2ƳơλȢǤл׻
815ڡ 9:01:46 40814
ϺĹ
Ϥ褦ޤ
Ƶ٤ߡ뤯̲ʤΤǡǯ֤˼ȤΤΡ13:12:5Υԥ饹Ƭ⤫ǤƤäѤꡣ
ī顢ѣġѷѣУӤǣġУӡ᣹Ǥ
ʬۤɤDz򤱤ޤҤǻŻ˱ƤȤΤᤤ褦ǡ
815ڡ 9:38:32 40815
ߤ
ФǡѷУѤȻѷãФʬ䤹롣

ѷУѡ£ãġߡʣˡߡʣˢΣ
ѷãС£ãġߡʣˡߡʣˢΣ

嵭ͳѷãУѡΣˤ롣줬ˤΤǡ
Ѥϣߡʣˣ
ΣդĹƤΤǡʿȤäƣ
815ڡ 10:19:51 40816
ޤ
ߤ󤵤ȤʤǤ
815ڡ 10:27:03 40817
uchinyan
Ϥˤϡơϡ
ϡפ֤Ȥäʿ̿޷ǤñǤ͡ʴǡ

ABCD ΰդĹ򲾤 1 ȤޤȡABCD = 1 * 1 = 1CP = 1/3 Ǥ
ΤȤ
ACP = CP * AB * 1/2 = 1/3 * 1 * 1/2 = 1/6
APQ = APD * 4/(4 + 9) = APD * 4/13 = AD * AB * 1/2 * 4/13 = 1 * 1 * 1/2 * 4/13 = 2/13
ACPQ = ACP + APQ = 1/6 + 2/13 = 25/78
Ȥºݤˤ ACPQ = 78 cm^2 ʤΤǡ
ABCD = 78 * 78/25 = 78/5 * 78/5 cm^2
ǡABCD ΰդĹ 78/5 cm ˤʤޤ
ͥνȡ 815ڡ 11:01:12 MAIL:uchi@sco.bekkoame.ne.jp 40818
ȤޤԤ
ϢΩ478Xܣ᣷XꡡX=13*6/5ˡ2ƳơλȢǤл׻
815ڡ 11:09:39 40819

ǤϤʤǤ(
815ڡ 11:52:01 40820
uchinyan
ǼĤɤߤޤ

#40803#40805#40808#40816#40817#40818
դ椫 ACPQ Ѥ ABCD Ѥ 25/78 ܤˤʤ뤳ȤȤˡ

#40810
ѤȣãĤθR,£áѤαĹθӤȤңФ֤
θ塤桤դʤɤȤäƲ򤯲ˡ㴳ҥߥޤ
䢤ѣģ梤ѣУӤ椬ʤΤǣУӡᣴäƣãӡ᣷
ϡ
QDA QPS 椬 94 ʤΤ ABCD Σդ 31 3 Ȥ PS = 4/3ä CS = 7/3
䢤ңģ梤ңãӤģҡңá᣹
䢤ңУѡᣴȤȡңУѡңѣġᣴꢤңѣġ᣹
䢤УģҡУңáᣰУģҡᢤңУѡܢңѣĤꢤУңá᣹᡿
ϡ
PDRPRC = 97PDR = RPQ + RQD PRC = 91a/9
䢤УңáãСᣱꢤãС᣹᡿
ϡ
PRCACR = 13 ACR = 91a/3
䢤ãҡңġ᣷ꢤңġᣳ
äƻͳѷãУѡᢤãҡܢУңáܢңУѡᣴ᡿᣷
ϡ
äƻͳѷACPQ = ACR + PRC + RPQ = 400a/9 = 78
䤳줫ᣳ
£ãġᣲߡʢãҡܢңġˡᣲ᡿ʣˡߡʣˡʣߣߣˡʣˡȤʤ꣱գˤʤޤ
ϡ
ABCD = 2 * (ACR + ARD) = 416a/3 = 416/3 * 351/200 = (2 * 3 * 13/5)^2 = (78/5)^2 Ȥʤ꣱ 78/5 ˤʤޤ
Ǥ礦äȲƻ򤷤Ƥ봶⤷ޤ
ʤޤ٤ʸλѤʤаϻʤΤʡȤϻפޤ

#40815
䢤ѣġѷѣУӤǣġУӡ᣹Ǥ
ȤˡΤ褦Ǥܺ٤

#40806#40807#40814#40819
ؤǤŪñˤˡ

#40804#40809#40811#40813
ɸʤɿؤ餷ˤˡ
ͥνȡ 816ʶ 11:08:36 40821


uchinyan󡢻ΤΤ򸡾ڡƤ꤬Ȥޤ
£ãĤդĹˤäΣ򤽤Τޤ޻ȤäƷ׻Τǽ񤤤褦ˤʤޤ񤭹ߤ¾οͤɤǤ狼褦˽񤯤Ȥɸƽ񤤤ƤΤǤ狼ˤƤޤǤ
񤫤Ƥ褦ˤߤʤΤϤäꤷƤΤˡƻ򤷤Ƥޤ͡
815ڡ 18:14:14 40822
uchinyan
#40822
ᤤ󡤥Ȥ򤢤꤬Ȥޤ
£ãĤդĹˤäΣ򤽤Τޤ޻ȤäƷ׻Τǽ񤤤褦ˤʤޤ
λ򤷤ޤϻ#40821εҤƤޤ͡
ͥνȡ 816ʶ 11:13:40 40823

äݤǤ
դ򢢤Ȥ
ͳѷACPQ=ACPܢAPQɽ
ACP1/6ߢ^2
APQ2/13ߢ^2
ä
1/6ߢ^22/13ߢ^225/78ߢ^2
25/78ߢ^278
^278^2/5^2
ä
դĹϡ78/5
817ڡ 1:04:00 HomePage:40824
abcba@baLLjugglermoka
Ǥ
ʬ˴ؤäѥ֥ѡѥDXפ819ȯˤʤޤܤϥ֥˽񤭤ޤΤǵǤ
http://balljugglingpuzzle.blog.fc2.com/blog-entry-34.html

Ϻ⤽פäΤǡϤ䤫ʡƤäǤ͡ڤߤˤƤޤ
821ʿ 10:28:20 40825