Вычислите (3/8+5/12)*4 (5/6-2/9):11

Question

Вычислите (3/8+5/12)*4
(5/6-2/9):11

Answer 1

(3/8+5/12)*4=(9/24+10/24)*4=19/24*4=19/6=3 1/6

(5/6-2/9):11=(15/18-4/18):11=11/18:11=11/18*1/11=1/18