ֿء׾ι
1126ڡ 0:08:21 49785
٥륯åĥ
0.ᥢ/99ʤΤʬǤơ
5ߥ2
40ʾ60̤0ޤ5ʤΤǥ5ƥ9ʤΤ59ˤʤޤ
1126ڡ 0:09:01 49786
ɥȥ
3ܤľǥꥢ륿!
0.abab=ab/99Ȥȡ
495ߥ/99=5ߥ=99ߥ/99+200=+200
ȤĴپ夲59Ȥʤä
1126ڡ 0:09:42 49787
ߤ
ءᥢ١ᥤ
ߣء᣹ߣ١ܣ
ߣᥤܣ
ʥߣܥˡߣʥߣܥˡܣ
ϣʤΤǡ򤯤
ᣵ᣹
äƥᣵ
1126ڡ 0:11:43 49788
Mr.ǥ
x=[]/99[]+200

5(10ܥˡᣱܥ+200
495200
μ1ϡ5᣹Τ
ͤϡ..........Ȥޤ
1126ڡ 0:19:05 49789
ߤ
ˤƤŪʲǤ٥륯åĥ#49786ˤ
褦ˤƤϤǤäۤ᤽Ǥ͡

ɤǯǯϤϤɤؤФʤ򤯤褦

ԤʤΤǤ͡
1126ڡ 0:20:04 49790
ǯ
Ǥ
X=/99Y=/99
495*/9999*/99200
5*ᥤ200
ᥤ/5+40
5ܿ
=0Ϥʤ2ˤʤʤˤΤǡ=5
10+ᥤ/5
50+5*10*+5
=9
Τˡ=59
1126ڡ 0:21:05 49791
Ȥ
=a,=bȤ̵
x(10*a+b)/100,1/10^2
((10*a+b)/100)/(1-1/10^2)
=((10*a+b)/100)/((10^2-1)/10^2)
=(10*a+b)/99
y(10*b+a)/100,1/10^2
((10*b+a)/100)/(1-1/10^2)
=((10*b+a)/100)/((10^2-1)/10^2)
=(10*b+a)/99
495*x=99*y+200
5*(10*a+b)=10*b+a+200
50*a+5*b=10*b+a+200
a=5*(b+40)/49
a,bȤ1a=5,b=9()
˭ԡ 1126ڡ 0:32:14 MAIL:fttnm528@ybb.ne.jp 49792
Ȥ
#49792

ߤޤǡ

>x(10*a+b)/100,1/10^2
>y(10*b+a)/100,1/10^2

ߤޤǡ

xϽब(10*a+b)/100,1/10^2
̵θ(=a,=ra/(1-r))

yϽब(10*b+a)/100,1/10^2̵θ
˭ԡ 1126ڡ 0:37:26 MAIL:fttnm528@ybb.ne.jp 49793
鯤ο
0:30Dz򤭤ޤ
#49789ƱǤ
1126ڡ 0:38:29 49794
ֿء׾ι
Ȥǡȥδ֤ΡϲäǺߤޤǤ
̤οΤʡȤ
1126ڡ 0:51:34 49795
Τ
δ֤. פޤ͡ʾС
1126ڡ 7:07:40 49796
ɥȥ
#49795
졢Ǥ蘆ޤ
δ֤ΤȤ˵()
ô֥ޤ
ʤ󤫡ؤäݤμǤȤΤ?
Ȼפޤ
1126ڡ 7:17:30 49797

Ʊ
ΤȤϷǼĤ򸫤Ƥ鵤Ťޤġ
1126ڡ 7:53:19 49798
ˤ
׻ޤ
Ķļˡ 1126ڡ 7:57:54 HomePage:ޤޤ49799
ϥ饮㡼ƥ
ץǤ

ͷ׻Ǥ

for a=1:9;
for b=1:9;
x=(10*a+b)/99;
y=(10*b+a)/99;
if 495*x==99*y+200,disp([a,b]),endif
endfor
endfor
1126ڡ 8:52:32 49801
ޤ
10a+b, 10b+a Ȥʤ̤Ρ˾Ǥ
#49786 ٥륯åĥ Τ褦˹ʤळȤǤޤ͡
somewhere in the world 1126ڡ 9:01:24 49802
Ѥ
X=(10a+b)/99,Y=(10b+a)/99Ȥƿͷ׻ޤ
ϤɤäƲ򤯤Τʡ
1126ڡ 9:27:00 49803
٥륯åĥ
a/99ΤʤҤȤԺƲ򤯤ΤڤǤ͡
ϥԥڥߥʡ
1126ڡ 12:32:28 49804
ɥȥ
ξ硢׻Ѥˤʤޤ͡
ξϥ٥륯åĥ1ɼ
1126ڡ 14:07:50 49805
M
python϶ȡa/99ΤޤǤ
import math
for a in range (10):
for b in range (10):
x = 0.1*a+0.01*b+0.001*a+0.0001*b+0.00001*a+0.00001*b+0.000001*a
y = 0.1*b+0.01*a+0.001*b+0.0001*a+0.00001*b+0.00001*a+0.000001*b
i=495*x
t=99*y+200
if -0.1<i-t<0.1:
print (a,b)
1126ڡ 14:58:10 49806
M
https://colab.research.google.com/gist/naritatsu/732d4ec3dc4a3b560e66d18e50269581/math_challenge-1126.ipynb?hl=ja
1126ڡ 14:58:28 49807

1/99Ĥʤ
ʲ=a,=bȤ
10X = a.babababa
10X = a + Y
495X = 99Y + 200ϢΩ
10X = a+Y= 2Y + 400/99 ʤΤ
a = Y + 400/99 = 4 + Y +4/99
aϰʤΤ a = 5, Y =95/99狼
1126ڡ 19:10:01 49808
ɥȥ
!ǥ¿!
a/99ץΤʤΰ֥ˡȻפޤ!

1126ڡ 21:17:16 49809
ޤ륱
#49796
סо졪
򤷤롪
1127ʶ 11:55:07 49810
ޤ륱
ν񤭹ߤϤƤ٤ʤߤΥ饤ʡ

(0..99).map{|a|p a if(5*a-a.to_s.reverse.to_i==200)}
1127ʶ 11:59:47 49811
Τ
>ޤ륱󤵤
ˤϡ
ޤƲ򤤤ƤϤǤɤ͡&#9836;
20ǯꥢ륿໲äƤޤ͡
ΥեߤǤ
1127ʶ 13:48:16 49812
ޤ
X = 0.

10X = .
ʤΤϡ
ʼϤʤΤǡʾ忼ꤷޤ(^^; )

ʡ˾ΤȤϡΡ֤פλޤǤ
ͤˤʤäƤ顢̵¤θˤʤϤޤ(^^;
somewhere in the world 1127ʶ 17:43:48 49813
ޤ
10X = .
100X = .

Ǥm(_ _)m
somewhere in the world 1127ʶ 21:18:54 49814

ϡ礦ǥꥢ륿໲Ǥ̵ǰ
ԡ 1128ڡ 0:53:14 49815