Question

Уравнения.

а)5 1/3*(3/5x+1/8)=1 2/3

б) 4/25:x=3/20:3/10

 

Answer 1

a) 5 1/3*(3/5x+1/8)=1 2/3

(16/3*3/5x)+(16/3*1/8)=5/3

16x/5+2/3=5/3

16x/5=5/3-2/3

16x/5=1

x=1:1/16=5/16

 

б) 4/25:x=3/20:3/10

4/25x=1/2

25x*1=8

x=8/25=0,32