Odpowiedzi

2009-11-26T19:10:45+01:00
Witam!

1,8(2)=1,8+0,0(2)=18/10+2/90=162/90+2/90=164/90

Pozdrawiam.
2009-11-26T19:11:37+01:00
Najlepsza Odpowiedź!
2009-11-26T19:13:01+01:00
X = 1,8(2)
x = 1,822222222222..
10x = 18,222...
100x = 182,222222...
90x = 182,222... - 18,222...
90x = 164
x = 164: 90
x = 1 i 37/45
1 5 1