!!!
a(n+2)=an-1/a(n+1)
a(n+1)*a(n+2)=an*a(n+1)-1
bn=an*a(n+1)Ȥb1=56,b2=55
b(n+1)=bn -1b57=0 b57=a57*a58b56=a56*a570a58=0Ūʡ
͡ 75ڡ 0:10:31 47398
٥륯åĥ
3ܤ2ܤεտʬҤˡ554ܤϡ54ȤʤΤǡ58ܤǡ00ˤʤޤ
75ڡ 0:16:17 47399
baLLjugglermoka
ǻȥڥäƤ餺ŻDz򤭤ޤ
Ҥܤ56,55,54ʤΤ56+2=58
75ڡ 0:22:42 47400
ͻ
Ϣ³2Ĥιݤɬˤʤ(7*8=56,
8*55/8=55ġ)ȹͤƲ򤭤ޤɽ!!!Τ褦ʷˤʤǤ礦
75ڡ 0:25:42 47401
ޤ
ɤǣФƤơΤȣʡȻפĤĤ⡢
ƹη׻ǸޤǹԤ鷺ˡֽ񤭽񤭡פƤ顢
¿⡢#47399 ٥륯åĥޤƱȤ
դƤޤޤ(^^;
somewhere in the world 75ڡ 0:28:35 47402
鯤ο
ǽExcelDz򤤤Ƥ顢!!!Ʊˡ΢褷ޤ
PCȤϡ줾̤ˤswitchȥ롼ĴǡϤ٤줿Τ̵ǰǤ
75ڡ 0:40:40 47403
ǯ
ޤExcelǡȤϡ
ƻ˷׻ƤߤȡA(n)=(3+55-n)/A(n-1) ȤʤΤǡn=58
#47399٥륯åĥƱǤ
0ˤʤη׻ݤǤ̤ͥ͡ФǤǶΥ饹58ͤȤΤϤʤΤǤϡ

75ڡ 1:16:48 47404
ˤ
ܤ׻(55*53)/432ܤ(8*54)/55ܤ55/8ʤΤ
ʬҤ*55*54*53ȤʤäƤΤ
ܤ*0Ȼפޤ
Ķļˡ 75ڡ 2:06:37 47405
ֿء׾ι
ǤȤꤢm(_ _)m
75ڡ 8:10:39 47406
ֿء׾ι
1ܡ2ܤ2ܡ3ܤ3ܡ4ܤ
1ĸäƤޤΤǡ57ܡ58ܤ
75ڡ 8:41:01 47407
Ѥ
ɽBASICäƤޤޤ
75ڡ 9:52:46 47408
Ѥ
ɽBASICäƤޤޤ
75ڡ 10:22:59 47409
Ѥ
ɽBASICäƤޤޤ
75ڡ 10:23:12 47410
cocogoo
׻ȡʬҤ545250Ȥ§졢a(2k+2)=54-2(k-1)=0k=28Ȥʤꡢa(58)ޤ
75ڡ 12:38:08 47411
ˤ⡼
񤤤ƤСܤʬҤ8,54,52,50ĤȽ緫˽ФƤΤǡĤϣȽФȹͤޤǤ͡
75ڡ 21:25:08 47412
Ϸ
Dz򤭤ޤ
Τʬޤ󤬡ܤȣܤ򿧡ؤƤߤȡΤ褦ˤʤ褦Ǥ
ܤͤȤܤΤȤȤ
ʣ͡ߣΡܣܤοͤȤʤ褦Ǥ
75ڡ 22:53:49 MAIL:takaaki-k@aqr.bbiq.jp 47413
???
basic
OPTION ARITHMETIC RATIONAL
DIM a(10000)
LET deta=0
LET n=1
DO WHILE deta=0
SELECT CASE n
CASE 1
LET a(1)=7
CASE 2
LET a(2)=8
CASE ELSE
LET a(n)=a(n-2)-1/a(n-1)
END SELECT
PRINT n;",";a(n)
IF a(n)=0 THEN
LET deta=1
ELSE
LET n=n+1
END IF
LOOP
END
76ʶ 8:53:51 47414
ϥ饮㡼ƥ
ץǤ

OctaveȤޤ
76ʶ 9:05:55 HomePage:湩ؤ˥47415

פ֤Ǥ
Dz򤱤ޤ
ޥ뤵ؼǤ
ͧͤ ̤7,8ݤ+258
¾Ȥ߹碌ǤŬѲǽȸޤ
Τ2,3Ǥ86,7ʤ44
Ǥ
Ȥⲿ򤢤Ǥ
77ڡ 7:12:26 MAIL:yasuhirovich@oboe.ocn.ne.jp 47416
ǯ
#47416 ͤ󡣤줬η׻򤤤Ȥ
#47398!!!ν񤭹ߤ򸫤ʬޤ
2Ĥοǡ˴ؤ餺ʬ̵ΤǤˡ
Ϣ³2Ĥοѡ᤽Ϣ³2Ĥοѡ1
ȤʤΤǡ2ѤʤСѤ2ܤ0ФƤޤ
77ڡ 9:14:46 47417

ɺǯԡɤ®θ涵 ͭ񤦸¤ޤ
ַǼġפ ʤΤƤޤ
ޡɺǯԡɤβ򸫤ƴƤޤ

ǯ84мԡ
ͧã80塣
ǧξкȤơֻפڤǤޤ
ͭ񤦸¤ޤ
77ڡ 10:54:09 MAIL:yasuhirovich@oboe.ocn.ne.jp 47418
DSK24
ǡ
§ʤƵŤ⤷ʤä
+ȤȤѤˤʤʬƱΤȤ߹碌
ǤΩĤΤƤߤޤ
ΤΩޤ

̲Ǥޤ󡦡
79ʷ 17:12:50 47419
ǯ
Ϥ٤ߤΤ褦ʤΤǡĤꤤǤ
Хӥ˥ǴġVAT8512ˤ˼Τ褦꤬뤽Ǥĺ򼨤ʸϾդˡ
Ǥβˡ򶵤ĺ
ʽʸȤʤǤȸä褤ϲ򤤤Ƥ뤿
ݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡ
BľѤǤľѻѷABC롣BCʿơABȤθP
ACȤθQȤ롣
BC=30 cmAPPB20 cmĹPBCQѤϻѷAPQ420 cm2礭
λPQĹ衣
ݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡݡ

713ʶ 1:34:51 47420