Помогите а)(3/5+1/15)*3 б) (7/16-1/4):4

Question

Помогите а)(3/5+1/15)*3 б) (7/16-1/4):4

Answer 1

(3/5+1/15)*3=(9+1/15)*3=10/15*3=2/3*3=6/3=2

(7/16-1/4):4=(7-4/16):4=3/16:4=16/3*4=64/3=21 1/3