Question

2,2-х:0,3=0,13 решите плиз

Answer 1

2,2-x:0,3=0,13
11/5-x:3/10=13/100
11/5-x*10/3=13/100
11/5-10/3x=13/100
660-1000x=39
-1000x=39-660
-1000x=-621
x=621/1000
x=0,621