ǯ
ο9C4=126ο9C2=36
ʬϡο2ܡ
36+126*2=288Ȥޤ
618ڡ 0:11:42 43397
٥륯åĥ
г6սڤȣܤʤΤˡä+1Τ˺äƤޤƤʤޤ
г3ܰʾ夬ǸȤ¿ʬʤϤǰΤƸƤƤߤޤ

ȻפäȾ濫ޤ͡餷ޤ򤱤Ƥ褦ʤΤǺϤ⤦ޤ
618ڡ 0:20:11 43398
ߤ
гܤȸ򺹤뤫ˣäΤǸܿȤȤܡ
ѷĺˣɤε򿶤äƤ

ʣ˶ѷγǤʤΤǤΤޤޣ
ʣˣäΤ褦˴֤ˣĺޤ΢Ǹϣ
ʣˣĤΤ褦˴֤ˣĺޤ΢Ǹϣ
ʣˣŤΤ褦˴֤ˣĺޤ΢Ǹϣ

ʣˡʣˤϤ⸵гʳޤˤܤĤΤǡ
ʣܣܣܣˡߣᣲܡ
618ڡ 0:20:44 43400
Mr.ǥ
ǯԤΡ#43397Ʊ褦
9C2+2*(9C4)36+252=288
ȵޤ
618ڡ 0:25:02 43401
å
91+97+911+9+13=288
ñˤ줾դܤʬ줿ͤ­ޤ
618ڡ 0:21:48 43402
å
ְ㤨913δ֤ߤǤ͡
618ڡ 0:25:06 43403
⡼ޥ
ޤǤˤ䤢äȻפޤΤ...äȤ^^;
錄#43397 ǯԤƱǤ
¨ ^^;v 618ڡ 0:34:53 43404
baLLjugglermoka
>#43397#43401
᤮ǤȤ⽨ͤνλƤϤޤޤ͡
618ڡ 0:35:26 43405
ǯ
̤֤ˤʤäƤɤΤǤ
ߤȡʬޤࣴˡг򺹤ʤΤǡοΤǤϡ
ͳѷͤȡ6ܤǤǤʤ
гưפȽ񤤤ƤΤǡߤΤ¿ѷϹͤʤΤΤޤ󤬡

618ڡ 1:09:29 43406

ФϢ
ƴƻƤޤ(^^;
ޡȤʲˡޤ
г3ˤ櫓ơ
㤨7ѷ4ѷʬΤ7ѷг4ѷгȤϸ餺¾Ƥȸ뤫Ĥȷ׻Ƥޤ
Ǥ()
618ڡ 1:24:09 43407

ʬ9C2ǣ
9C4ǣ
Ĥʬϣ뤫
ܣߣᣲ
618ڡ 1:50:34 MAIL:nikotan@fat.coara.or.jp 43408

ĺ¾Ĥʤ¾ˤäƤĤʬ뤫ޤ
٤ȤĤʤ硢¾ȸʤΤǡ
ĤȤФȤĤʤ硢٤ȿ¦ΣܤǶڤΤǡ
ĤȤФȤĤʤ硢٤ܤ٤ˤȿ¦ΣܤǶڤΤǡ
ĤȤФȤĤʤ硢٤ܤ٤ܤ٤ˤȿ¦ΣܤǶڤΤǡ
줬ȤΤǡĤĺϡʣܣܣܣˡߣ᣶ʬ
ʤΤǣܡŤ˿ƤΤȾʬˤơߣࣲᣲȤʤޤ
Ĺ񤭤ޤߤ󤵤󤬤狼䤹񤫤ƤޤϤʤʤ
Ϻꡡ 618ڡ 1:51:50 43409
ֿء׾ι
ĤλˤǤʬοȤơĤޤ
ܣܣʣݣܣˡʣᣴ
618ڡ 8:37:48 43410
Mr.ǥ
ĤλˤǤʬοȤȡ#43401Ʊͤ
AnC22*(nC4)
n(nݣ)(n^25n+12)/12

ޤ#43406ΡֱͳѷͤȡפǤ
9ѷĺʬĹơгӤαĹȤǤǤǤ
ȡȤĺȤ˹ͤʤƱ̤ˤʤʤ褦Ǥ͡
618ڡ 12:53:17 43411
uchinyan
Ϥˤϡơϡ
ࡤɤ򤤤褦ʵޤ ޤʴǡ

(ˡ1)
ѷĺȿײ 1 9 ֹդޤ
ޤ1 Фгͤг¾гʬ䤵Ȥʬܿƻ˿ޤ
г 1-3 ξ硤2-42-52-62-72-82-9 ʬ䤵Τǡ6 * 1 + 1 = 7 ܡ
г 1-4 ξ硤2-52-62-72-82-9 3-53-63-73-83-9 ʬ䤵Τǡ5 * 2 + 1 = 11 ܡ
г 1-5 ξ硤2-62-72-82-9 3-63-73-83-9 4-64-74-84-9 ʬ䤵Τǡ4 * 3 + 1 = 13 ܡ
г 1-6 ξ硤2-72-82-9 3-73-83-9 4-74-84-9 5-75-85-9 ʬ䤵Τǡ3 * 4 + 1 = 13 ܡ
г 1-7 ξ硤2-82-9 3-83-9 4-84-9 5-85-9 6-86-9 ʬ䤵Τǡ2 * 5 + 1 = 11 ܡ
г 1-8 ξ硤2-9 3-9 4-9 5-9 6-9 7-9 ʬ䤵Τǡ1 * 6 + 1 = 7 ܡ
ǡס7 + 11 + 13 + 13 + 11 + 7 = 62 ܡǤ
ˡ 1-2 1-9 Τǡ1 ǡ1 + 62 + 1 = 64 ܡˤʤޤ
Ʊͤˡĺ 2 9 64 ܤĤǤ1 ܤʬ 2 ƤޤΤ 2 dzäơ
ʬܿ = 64 * 9 * 1/2 = 288 ܡ
ˤʤޤ

(ˡ2)
ѷĺȿײ 1 9 ֹդޤ
㤨Сг 1-4 ͤȡг 2-6 1 Ǹꡤʬ 1-4 2-6 ξ 1 ܤޤ
ˡг 3-8 ȡ1-4 2-6 Τ줾˸ 1 Ĥʬ 1-4 2-6 ξ 1 ܤޤ
ʤߤˡ3-8 1-4 2-6 ȤǸ 1 Ĥʬ 1 ܤޤ
Τ褦ˡгθ 1 ĤФƸ 2 ܤгʬ 1 ܤޤ
ơгĤȤʬϤ⤦ 1 ܤޤϸгλĤǤ
ˡդäޤǡ
ʬܿ = гθθĿ * 2 + гܿ + դܿ ܡ
ޤ
гθϡѷĺ 4 Ǻͳѷ 1 ĤФ 1 Τ 9C4 = 126 ġ
гܿ + դܿ ϣѷĺ 2 ٤ФΤ 9C2 = 36 ܡꡤ
ʬܿ = 126 * 2 + 36 = 288 ܡ
ˤʤޤ

̤ n ѷʤС(ˡ1)ǤǤޤ(ˡ2)ưפˡ
ʬܿ = nC4 * 2 + nC2 = n(n-1)(n^2 - 5n + 12)/12 ܡ
Ǥ͡
ͥνȡ 618ڡ 12:51:23 MAIL:uchi@sco.bekkoame.ne.jp 43412
uchinyan
ǼĤɤߤޤ

#43397#43401#43404#43408#43412(ˡ2)
гθ 1 ĤФʬ 2 뤳ȤܤƲ򤯲ˡ

#43398(¿ʬ)#43400#43402#43409#43412(ˡ1)
1 ܤг¾гʬ䤵ܿƤ­夲ˡ

#43407#43414
ѷĤ¿ѷʬƹͤˡ
Ͼ㤤ޤ¼#43400ʤɤƱˤʤ褦Ǥ

#43410
ˤˡ

ʤʸʤǤޤΤ褦¿ѷͤΤȤƤޤ
ͥνȡ 618ڡ 17:34:51 43413

#43413
uchinyan
餷ޤ
­ǤΤ­ޤ

ޤѷг=69/2=27
(i)ѷȣѷʬ1ܤгˤĤ
ѷг58/2=20ܰʳгȤɬΤ
27-20-1(ʬ)+1=7ܤʬǤ롣
(ii)ѷȣѷʬ1ܤгˤĤ
ѷг2ܵڤ
ѷг47/2=14ܰʳгȤɬΤ
27-(2+14)-1+1=11ܤʬǤ롣
(iii)ѷȣѷʬ1ܤгˤĤ
ѷг25/2=5ܵڤ
ѷг36/2=9ܰʳгɬΤ
27-(5+9)-1+1=13ܤʬǤ롣
1Ĥĺ餳3郎2ܤĽФƤΤǡƤĺˤĤƽʣѷդפ
(7+11+13)29/2+9=288
Ȥޤ
äȤޤ꤯ɤäǤ(>_<)
٤ʤ꼺餷ޤm(__)m
618ڡ 15:19:41 43414
uchinyan
#43414
Jޥޤ
ܤ򤢤꤬Ȥޤ褯ʬޤ
ͥνȡ 618ڡ 17:33:03 MAIL:uchi@sco.bekkoame.ne.jp 43415
ϥ饮㡼ƥ
οθޤ
619ʶ 4:34:16 HomePage:湩ؤ˥43416
ۤ
JޥޤƱͤǤ͡ϰ׻ߥƤơäƤʤäƤޤ(^_^;)
620ڡ 9:56:57 43417
706
4ѷ2=8
5ѷ22=20
.
.
.
9ѷ2222=288
623ʲС 18:49:46 43418
٥륯åĥ
#43418
706

άƤ롦ΤȤ褯ʬޤ
ήȶѷ576ܤˤʤäƤޤޤ
622ʷ 7:54:01 43419

ݤˡ̾ϤƤޥʡΤ餺ζ򤫼ԤޤɤˤߤˤǤʤǤ礦͡
623ʲС 1:52:52 43422
706
#43422
Ǥ(&#9580; &#3232;&#3232;)
623ʲС 19:07:46 43423
ǯ
#43412 uchinyan
򸫤ƤƸĤޤ748Ǥ
623ʲС 22:16:39 43424
uchinyan
ޥ뤵
Ϥ٤ߤǤ
꤬ʤΤϻǰǤ轵κ䤽ƽѤʤΤǤʤȤ⤢Ǥ礦
ޤꤪˤʤ餺ˡ
轵νڤߤˤƤޤ͡

#43424
ǯԤ
򤢤꤬ȤޤϤꡤȤդޤ͡
ƱˡĽ񤤤Ƥޤ (^^;
ͥνȡ 625ڡ 11:48:23 MAIL:uchi@sco.bekkoame.ne.jp 43425
maple
гο 27 126 9
27+1262+9=288
71ʿ 20:02:05 43426