٥륯åĥ
3459121534515202525ˤʤޤְäƤǤ礦
114ڡ 0:06:59 49990
٥륯åĥ
ʤߤEFGHФAоΤAǡBFGCФMоΤM'ȤäưľˤA'M'ޤ
114ڡ 0:09:09 49991
Ф
#49985
⹻ؤοŪǼˡäƤĤǤäҤդޤ͡
ɬθ
Τ餺˽ꤵ줿Ȥ礷ϤѾλǤ礦͡

ʲǤkϣޤ­Ȥˤ
k(n+1)/2
(k^2)(n+1)(2n+1)/6
(k^3)=У(n+1)/2^2
ϿȤФ뤳Ȥˤʤޤ
114ڡ 0:31:16 MAIL:hbmath1965@yahoo.co.jp 49992
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ֶʤäƤΤϿФפȡΡޤ(^^
somewhere in the world 114ڡ 1:48:41 49993
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Ÿޤ̤򱦤ˡ̤򲼤ˤơľΥ¬ޤ
Ķļˡ 114ڡ 7:11:50 HomePage:ޤޤ49994
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̢
Ķļˡ 114ڡ 7:12:25 HomePage:ޤޤ49995

ʿȤäƤޤä
114ڡ 7:56:15 49996
ǯ
#49986
٤ʤޤ
A(n)-A(n-1)=n^3
A(n)=an^4+bn^3+cn^2+dn+e
ȤƾˤơȤơabcdeꤹ롣
eϾä뤬A(1)e=0
4ʾ¤ǤäƤ⡢켡⤤Ƿꤹ롣
114ڡ 9:00:02 49997
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褯ȿûΥΤ褦ˡȿ̤ͤޤ֤
ͤľˤ롣

ɡģ⤵ľΤгĹ뤳Ȥˤʤ롣
ľΤ̤ϡľѤ򶴤դȣгϣ
ľΤгϡľѤ򶴤դȣгϣ

ĤȤ櫓ϣ

ûΥ֤βˡǤΩΥСϻǤϤޤ긫ʤ褦
פޤդĹ椬ξ硢ľѻѷˤʤפȤ
ɬפǡͭβˤʤ롢Ȥ󤬤뤫Ǥ礦
114ڡ 14:01:45 49998

FG򼴤180ٲžľΤ򤯤äĤAȤäĤMľͤޤľʿʣܣľѻѷμաˤľѻѷμդĹ٥륯åĥϤ졩
錄ˤϤäѤäѤǤԡΨߤȤߤʤϥѥäȲ򤱤Ƥ¿͡ǯǯ䥯ꥢȻפʤ顢ʤʤ̤ޤ󤬤ߤʤꤤޤ
Ų 114ڡ 14:09:52 49999
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򤤤Ǥ͡
ľΤĤʤơ3:4:5ǽФޤ͡
ŸޤǤϤʤΩΤĤʤơΩΤӤΤϡʤۤɡ
114ڡ 14:38:43 HomePage:ڤ50000
ɥȥ
狼ʤäΤǧڤǤޤ
餫˻ʿȤ롼Ȥˤʤä̵ȻפäƤ顢
3:4:5˻ȤäƤ˺Ƥޤ()
狼äƤƤ#49990٥륯åĥΤ褦
ʲϤǤʤäȻפޤ
114ڡ 16:36:04 50001
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ľƻڤƤǤ礦͡
εդꡡ 114ڡ 20:18:13 50002
ϺĹ
ᤤΡFG򼴤180ٲžľΡȸˤϰʬ䤹äǤͭ񤦤ޤǡ12^2+9^2+20^2=625=25^2
󤷤Ǥ
114ڡ 20:38:46 50003
鯤ο
ɤޤˡPABEFQDHGCȸ򤷤ơAMľ뤸ʤΤǺǤޤ
ɤƤ򤱤ʤΤ1ФäƤʸɤ֤顢򤱤ޤޤ֤ľûꡣ
Фʤ褯byĹ
114ڡ 23:34:57 50004

ʿȤ鷺˲򤱤ΤʤǤ
115ʶ 12:37:10 50005
ޥ
#50005
3:4:5λѷ¸ߤϡѤǧȤ롼ˤƤޤ..m(__)m

http://www.sansu.org/doc/readme.html
Mac 115ʶ 17:22:37 HomePage:50006
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3:4:52ȤȤޤޤ͡ʤۤɡ
115ʶ 17:43:29 50007
ֿء׾ι
˹Ԥޤ
ΤȤϴ˺Ƥޤ
դȻפФΤǤ餷ޤ

ϱˤ⤦ҤȤƱľΤ򤯤äĤƹͤޤ
ľѻѷޤ
115ʶ 21:34:45 50008
Ф
ꡢɤǸФʤǤ䤬äĤʤǤɡ
ФϽŵ򶵤ƤȤ꤬Ǥ

̤̾򤤤ƤƤ⤤Ǥ

ѿABCD롣AB˱ĹAB=ABȤʤ褦˼äAǡBCC˱ĹBC=BCȤʤ褦˼äBǡCDD˱ĹCD=CDȤʤ褦˼äCǡDAA˱ĹDA=DAȤʤ褦˼äDǤȤ롣ѿABCDǤѤϻѿABCDѤβܤ
116ڡ 11:04:20 MAIL:hbmath1965@yahoo.co.jp 50009

Ĥ餳ηǼĤϽĤˤʤä
116ڡ 20:18:15 50010
鯤ο
#50009
15ܡ
117 3:21:54 50015
ߤ뤯
#50009
http://www.sansu.org/used-html/index396.html
117 17:52:04 50016
鯤ο
#50016
ʤۤɡ
#50015Ϲ󼰤ͤѤˡǽФޤ
396Ʊ르ꥺDz򤤤ǤΤǡ׻ְ㤨ʤä顢äƤΤȻפޤ396βǤϡ󼰲ˡüˡȤƤ3μиɸ"ñ̼"βܤˤʤ뤫׻뤳ȤΤǡ̲ˡǤ褤ȻפäƤޤ
117 19:05:31 50017
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#50004 鯤οͤ

Фʤ褯byĹ

ŻǸæ¿ʬˤ礦ɤΤդǤ(^^;
Ѥʤ顢Ĺ̾餤Τ餺Ĵ٤Ƥߤȡ
ȤƤ̥ŪʿͤǤ͡

somewhere in the world 118ʷ 1:18:59 50018
٥륯åĥ
$50009
A'B'C'AѤѤȹ⤵ǹͤƤȤ8ܡD'ȤäȤˡA'B'C'D'ι⤵ɤʤ뤫ͤʤȤʤȤȤǤ礦
ADαĹA'B'C'ζͭHȤADDHФäȸ񤷤Ǥͤ͡Ƥߤޤ
118ʷ 10:15:28 50019
٥륯åĥ
#50009
#$ˤʤäƤޤ
118ʷ 10:16:29 50020
ߤ뤯
(2n^2*2n+1)(2n+1)ܤˤʤޤ
118ʷ 14:38:26 50021
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򤷤Τˡ꤬ԤƤȤϡ
118ʷ 18:59:39 50022

#50006
Υڡ˥롼뤬äǤ͡
ǧޤ
꤬Ȥޤ
119ʲС 15:18:08 50023
Ф
#50015鯤ο͡#50021ߤ뤯
Ǥ͡ͷǤ꤬Ȥޤ


DBAA'D'5Ʊʿ̾ˤ뤫
ģ¤¦˱ĹA'DǤȸEȤȡABA'BADAD'ˤ
ABDᢤABD'ᢤA'BDᢤA'BD'Ȥʤ뤫(Ʊ
D'BA'D3ߢA'BDǤȤʤ롣(ͳѷ)
äƹ⤵դȤʤ뤫
BE1/3BD
B'C'EѤ
BCDܢB'CC'+DC'E+EBB'顢ϢBCDβܤͤ
1124/311/325ܤǤ롣
ѿA'B'C'D'ѤϻѿB'C'ED'ȻѿB'C'EA'¤顢줾
B'C'E̤ˤƹ⤵ͤɤȤˤʤꤽ줾⤵2ܡ1ܤ
ѿA'B'C'D'ѤϻѿABCDѤ
(+)15ܤˤʤ롣

#50016ߤ뤯
򼨤Ƥ꤬Ȥޤ
17ǯФƤ줿ΤȤ֤򤫤ƤɤˤŻǤ
äꤷΤȻפޤ
ƥԥ饹Τ褦ͭ⤤ΤȻפޤ
Τۤ˹ͤդͤƤΤȲƻפޤ
ʥԥ饹㤨Ρޤˤ⤪ޤǤɤ͡
ޤꤤޤ

Ϥ

#50017鯤ο
ľɸиɸѴءѿABCD򻰳ѿA'B'C'DǤѴ٤Ȥ
󼰤ѤϹѤι󼰤ˤʤ뤫ŪʲˡˤʤΤǤϤʤǤ礦

¾
ꥢǻʿءˤͷǤ뤪Ϥä긺ޤ
Ҥǿͤ˼Ф餿ƤƻŻ˾Ǥ礦
ȤʤСǸڤΤɤ
ФĤ
119ʲС 21:13:32 MAIL:hbmath1965@yahoo.co.jp 50024
鯤ο
#50024

3ι󼰤׻Τäǯ֤ˤʤΤҤҤ׻ޤŸǤŸǤפФǤƱäΤǡޤȡ󼰤ο޷Ụ̄ϡƬζ˵ȤƻĤäƤɡȤäƼºݤ򤤤ΤϽƤä롣

⹻ؤ󤬾ä餷ưȤ

Ҥǿͤ˼Ф餿ƤƻŻ˾Ǥ礦

ǽդäƤ줿ͤ⤤ޤĤʤޤ

ΥȤơ򤯤Τڤä򡢤ޤθƤäƽäƤޤ
119ʲС 23:23:23 50025