ʤʤ⤷äǤ
ܿĻԡ 716ڡ 0:06:48 MAIL:ݣ塥 HomePage:34785

פ35/3ʤΤǡ
10֢1/235/310
5/6
Ǥäư٥ߥޤġ
716ڡ 0:07:23 34786
Ѥ
ֹn֤οa_nȤ
S=a_nȤ
a_n=(S-k)/2
äS=a_n=10S-105 S=35/3
a_10={(35/3)-10}/2=5/6
֡ 716ڡ 0:08:35 HomePage:֥34787
EG
򤱤ޤ
ְʹߤֹ椬οˤʤޤ󤫡
餽ϤʤΤȻפäǺߤޤ
716ڡ 0:13:30 34788

θȤ̯˺ƤΤ
֤οͤοa(n)Ȥդ
a(1)=a(k)-a(1)-1
a(2)=a(k)-a(2)-2
a(3)=a(k)-a(3)-3

a(20)=a(k)-a(20)-20
ա
a(k)=19a(k)-210a(k)=35/3
a(10)=35/3-a(10)-10a(10)=5/6
ޡ 716ڡ 0:13:33 34789
Ҥ
¤ͤޤ٤

#34788EGΤä̤Ǥ
ʼ˸ 716ڡ 0:15:37 34790
ޥ
ޤä...ȾοˤʤäƤޤȤ˺Ťޤ....ࡢɤ褦..
716ڡ 0:19:08 34791
Ҥ
դ˱ƶϤʤȻפޤ
ʼ˸ 716ڡ 0:22:05 34792
ߤ
֤֡¡֤

ߣݡʣ¡
ߣݣ
򤯤ȡᣲᣳ

֡ݣ֡ݣ
ʣ֡ߣˡݣ

ʣ֡ߣˡᣳݣᣵ
֡ʣˡࣲᣵ

ˤؤμѷɡäݤˡäƤΤʤ
716ڡ 0:29:18 34793

(֤λäƤ륫)(19Υɤι)ݢ
(19Υɤι)(֤λäƤ륫)+
(20Υɤι)ʢ֤λäƤ륫)2+Ωġ
10֤λäƤ륫ɤȤȡ
(20Υɤι)2+10
(֤λäƤ륫)+(10-)2Ȥʤ롣
򢣤120ޤǤϰϤǹפȡ20-5Ȥʤ롣
äơ2+1020-5Ωġ
äơ56

βˡϻؤ

716ڡ 0:29:18 34794
Mr.ǥ
ֹn֤οa[n]Ȥ20ͤפӤȤ
ӡa[n](a[n]+n)2a[n]ܣ
20ӡᦲ(2a[n]ܣ)2ӡ210
ä 35/3 Ȥʤꡡa[10](35/310)/25/6

ʤˤƤ⡢Ϥ䤤
#34788,#34791
֤ΥɰʳοΡڹפȾʬۤ⡢ֹοסĤȤƤ
οˤʤ餺ˤΤ
ΥޡȤϸäƤޤޤ͡

716ڡ 12:33:35 34795
Ȥ
20ϢΩǡ

e1:a=b+c+d+e+f+g+h+i+j+k+l+m+n+o+p+q+r+s+t-1$
e2:b=a+c+d+e+f+g+h+i+j+k+l+m+n+o+p+q+r+s+t-2$
e3:c=a+b+d+e+f+g+h+i+j+k+l+m+n+o+p+q+r+s+t-3$
e4:d=a+b+c+e+f+g+h+i+j+k+l+m+n+o+p+q+r+s+t-4$
e5:e=a+b+c+d+f+g+h+i+j+k+l+m+n+o+p+q+r+s+t-5$
e6:f=a+b+c+d+e+g+h+i+j+k+l+m+n+o+p+q+r+s+t-6$
e7:g=a+b+c+d+e+f+h+i+j+k+l+m+n+o+p+q+r+s+t-7$
e8:h=a+b+c+d+e+f+g+i+j+k+l+m+n+o+p+q+r+s+t-8$
e9:i=a+b+c+d+e+f+g+h+j+k+l+m+n+o+p+q+r+s+t-9$
e10:j=a+b+c+d+e+f+g+h+i+k+l+m+n+o+p+q+r+s+t-10$
e11:k=a+b+c+d+e+f+g+h+i+j+l+m+n+o+p+q+r+s+t-11$
e12:l=a+b+c+d+e+f+g+h+i+j+k+m+n+o+p+q+r+s+t-12$
e13:m=a+b+c+d+e+f+g+h+i+j+k+l+n+o+p+q+r+s+t-13$
e14:n=a+b+c+d+e+f+g+h+i+j+k+l+m+o+p+q+r+s+t-14$
e15:o=a+b+c+d+e+f+g+h+i+j+k+l+m+n+p+q+r+s+t-15$
e16:p=a+b+c+d+e+f+g+h+i+j+k+l+m+n+o+q+r+s+t-16$
e17:q=a+b+c+d+e+f+g+h+i+j+k+l+m+n+o+p+r+s+t-17$
e18:r=a+b+c+d+e+f+g+h+i+j+k+l+m+n+o+p+q+s+t-18$
e19:s=a+b+c+d+e+f+g+h+i+j+k+l+m+n+o+p+q+r+t-19$
e20:t=a+b+c+d+e+f+g+h+i+j+k+l+m+n+o+p+q+r+s-20$
fortran(solve([e1,e2,e3,e4,e5,e6,e7,e8,e9,e10,e11,e12,e13,e14,e15,e16,e17,e18,e19,e20],[a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t]));

[a=16/3,b=29/6,c=13/3,d=23/6,e=10/3,f=17/6,g=7/3,h=11/6,i=4/3,j=5/6()
k=1/3,l=-1/6,m=-2/3,n=-7/6,o=-5/3,p=-13/6,q=-8/3,r=-19/6,s=-11/3,t=-25/6]
˭ԡ 716ڡ 0:43:01 MAIL:fttnm528@ybb.ne.jp 34796
⡼ޥ
äȤǤ...^^;
f(1) ʳ¤AȤ
f(1)=A-1
Τ¡2A-1
׻Ƥߤ...
f(1)=A-1
f(2)=A-3/2
f(3)=A-2



f(20)=A-21/2
20A-(2+3++21)/2=2A-1
A=19/3
f(10)=19/3-11/2=(38-33)/6=5/6
äȥޡȤʲˡ˰㤤ʤ...
ٶƤޤ...^^ Orzv
716ڡ 1:09:50 34798
(Keigei)
οȤʤȡ꤬ͰʲǤ͡
ͰʲȡVer.3 ٥Ǥ͡
716ڡ 1:10:21 34799
ϥ饮㡼ƥ

Ϥ褦ޤ
ǤչǤͣԣ̣¤Ǥ

716ڡ 6:28:13 HomePage:湩ؤ˥34800
abcba@jugglermoka

NͤǡΥɰʳοιפAʬ1⡢ֹοȤΤȤ
ֹk֤οͤ(AN(N+1)/2(A+1)(N-A-1))-(Ak/(A+1)
)Υɤǡ
ֹN֤οͤAN(2A+3-N)
/2(N-A-1)(A+1)ǾͤϽֹN֤οͤΥɤο
äơN>2A+3ΤȤοϽиʤ
716ڡ 8:55:56 34801
abcba@jugglermoka
#34801
>> N>2A+3ΤȤοϽиʤ
N<2A+3δְ㤨Ǥ
716ڡ 9:04:54 34802
uchinyan
ϤˤϡǶ뤤ǤϸˤᤴǤ礦ơϡ
ءȤοٰʾ夢񤷤ʤȻפޤʻǤϹͤŤ餽Ǥ͡

ֹ椬֤οͤλäƤ륫ɤοϡ()ꡤΤ褦ˤʤޤ
(֤οͤο) = {(ο) - (֤οͤο)} -
1 20 ʤΤǡ򤹤٤­ȡ
(ο) = {(ο) * 20 - (ο)} - (1 + 2 + 3 + ... + 20)
(ο) = (ο) * 19 - 20 * 21 * 1/2
(ο) * 18 = 10 * 21
(ο) = 10 * 21 * 1/18 = 35/3
ǡ
(֤οͤο) = {35/3 - (֤οͤο)} -
(֤οͤο) = 35/6 - /2
ֹ 10 ֤ξϡ
(10 ֤οͤο) = 35/6 - 10/2 = 5/6
Ȥʤޤ

Ǥ⡤äơǤ͡ǤϡޤǤ뤷ʤΤǤ礦

ȡäȵˤʤ뤳Ȥޤ
(֤οͤο) = 35/6 - /2 = (35 - 3 * )/6
ʤΤǡֹ椬 12 ְʹߤοͤοΥɤĤȤˤʤޤ
ȤƤϵˤʤޤɽŪˤϸʤ顤ޤΤ (^^;

¿ʬϴ˷ǼĤǵƤΤǤ礦
ͥνȡ 716ڡ 11:20:09 MAIL:uchi@sco.bekkoame.ne.jp 34803
uchinyan
(äȡɲý)
ǼĤɤߤޤ
Ƽμ㴳η׻ιפϤޤή˲򤫤줿ΤƱ褦Ǥ
ˤ⻻ȤˡǥåꡤȤΤϤʤΤʡ

ο⡤󤴻ŦǤ͡
ޤܤϸʤΤǡȤˤޤ礦 ^^/

ʤ

#34801
NͤǡΥɰʳοιפAʬ1⡢ֹοȤΤȤ
ֹk֤οͤ(AN(N+1)/2(A+1)(N-A-1))-(Ak/(A+1))Υɤǡ
ֹN֤οͤAN(2A+3-N)/2(N-A-1)(A+1)ǾͤϽֹN֤οͤΥɤο
#34802
>> N>2A+3ΤȤοϽиʤ
N<2A+3δְ㤨Ǥ
οиʤΤ 0 Ǥ⤤ΤǡA + 1 < N <= 2A + 3 Ǥ͡
äơ A = 1 Ǥϡ2 < N <= 5 ǡ
#34799
οȤʤȡ꤬ͰʲǤ͡
Τˡ5 ͰʲǤ(3 Ͱʾ夫ʡ)
ޤA = 2פȾʬǤϡ3 < N <= 7 7 Ͱʲ(4 Ͱʾ)ˤʤޤǡ
#34795
֤ΥɰʳοΡڹפȾʬۤ⡢ֹοסĤȤƤ
οˤʤ餺ˤΤ
ϡΤǤϡ
ºݡֹ椬 13 ְʹߤοͤΥɤοοˤʤ褦Ǥ
㤤ƤΤ
(θ塤Ϥꤪä褦Ǥ#34805)
ͥνȡ 716ڡ 14:51:02 MAIL:uchi@sco.bekkoame.ne.jp 34804
Mr.ǥ
#34804
>>֤ΥɰʳοΡڹפȾʬۤ⡢ֹοסĤȤƤ
>>οˤʤ餺ˤΤ
> ϡΤǤϡ

ֹn֤οa[n]Ȥȡnְʳιפ 2*(a[n]n) Ȥʤ
ӡa[n]2(a[n]+n)3a[n]2
20ӡᦲ(3a[n]2)3ӡ420Ȥơӡ420/17
ӡ20Ȱ¿Ƥޤ3a[n]ӡ2n 顢Ϥ ӡ2*200Ǥʤ
ʤޤ͡ĤȤǡʤȤ򤷤Ƥޤ
uchinyan󡡤Ŧͭ񤦤ޤ
716ڡ 13:17:59 34805
(Keigei)
줷Ǥ̵껻Dz򤯤ȡ
(ֹ)(20ι)(ɤο)2 顢
ʿѤȤȡ
21/2(20ι)(20ʿ)2
21/2(20ʿ)18
äơ(20ʿ)7/12
ޤ
(ֹ)(20ι)(ɤο)2 ϡ
ֹ椬ȥɤο1/2뤳Ȥʬꡢ
֤20֤10֤11֤顢
(10֤Υɤο)(20ʿ)1/47/121/45/6
716ڡ 13:21:45 34806
ߤ
õɤǤ͡㤨аʲꡣ

ܻᣱ
ʡᣱ
ʡᣱ
λϲ

ǤϡĤμ­碌ȡ֣ʤ¤Σܡפ
ޤ͡Ϥ줬ʤʣˤʤäΤ򤹤
ǤʤȤʤĤʤ
716ڡ 13:56:40 34807
uchinyan
#34806#34807
Ȥո꤬Ȥޤ
ĿŪ˻פäΤϡ٥ιפǤϤʤޤȤäơʲˡäƤʤΤʤȡ
ʤȤ⡤ޤǽФƤʬޤȤѿޤȤȤäΤϤǤޤ͡
СϡˤʤȻפޤ
Ǥ⡤Υ٥ϡñʤǡä򤯤ʤʤäơ
ޤɤޤǤʤΤ񤷤ǤϤƻȤǤϤʤ
ñˡβ֤Τ褦ʵ⤷Ƥޤ(^^;
ͥνȡ 716ڡ 15:15:39 MAIL:uchi@sco.bekkoame.ne.jp 34808
⡼ޥ
ä...ޤǤ...

------------
----------
--------



ΤĹ 1n
줾ξü f(k)
٤­...
20*S=2S+(1+2++20)
18S=210
S=35/3
f(10)=(S-10)/2=35/6-5=5/6

...ߤʤƱǤ...^^; Orz...
716ڡ 20:22:19 34809
uchinyan
#34809
䤬᡼ƤޤϡʴǤ
ͥνȡ 716ڡ 20:56:38 MAIL:uchi@sco.bekkoame.ne.jp 34810

οФƤΤǤʤǺߤޤ
Ǥ⤽줷ꤨʤΤǡΤޤ޷׻Ƥޤ
ФϳƱǤ
35ͤޤǤʤ顢ǤʾοͿˤʤȡȾ餬ФƤޤ͡
ˤʤäƤϡγǰˤϤʤäƤȤǤ͡

ŷϿ͡ 717ʶ 4:39:30 34811
ޤޤ
򶵤ƤȻƬˤʤꡢοϲˡޤ餬ФƤΤǡ
717ʶ 14:22:49 34812
Ф
ʤۤɡοФƤޤĤʤä
ܤμ­碌ƽˤƤޤä
717ʶ 22:21:29 34813
Ф
Ǥ
Ǥ
http://blog.goo.ne.jp/akeot/
717ʶ 22:47:28 34814
Ϥŷ
ϲ򤭹ΤǤ
ֹ棱nȤޤ
ֹ棱ʳֹ¤ʸn+1
ʤΤǡΤ¤2n+1
³ơֹ棲οͤο
ºꡢn-1/2¾ֹιפn+3/2ֹ棱ϣꡢ
ֹ棳ֹιפ3/2ʬ/ޤĭ
ֹ棱n-0/2,ֹ棲n-1/2ȵ§ʬΤ
ֹ棳n-2/2,ֹ棴n-3/2ȡĤʤꡢֹ棱n-9/2,ֹ棲n-19/2ʬޤ
(n-2/2)+(n+3/2)++(n-9/2)++(n-19/2)=3/2
n=16/3
äƽֹ棱֤n-9/2=16/3-9/2=5/6Ȥʤޤ
ϻǰ֤Ǥ^^
ܣӻԡ 719 15:32:42 34815