Question

Stie cineva? Nu ma prea pricep la matematica

Answer 1

sper ca e ok
0,(3)=1/3
0,3(8)=(38-3)/90=7/18
1,1(6)=21/18
atunci (1/3)/7/18=(x-1)/21/8
(x-1)*7/18=1/3*21/18
(7x-7)/18=7/18impartim cu 1/18
7x-7=7
x=14/7
x=2