Question

Решить пример ( 5/12+3/14•28/5):7/20

Answer 1

(5/12+ 3/1*2/5) : 7/20= 
= (5/12+6/5) : 7/20= 97/60 * 20/7 = 4 и 13/21

Answer 2

(5/12+3/4*28/5):7/20=3

Answer 3

A как решал