Question

 Вычислите: а)  (3/4 + 1/6) : 3 +(5/6 - 1/2) :9

Answer 1

(3/4 + 1/6) : 3 +(5/6 - 1/2) :9 = 37/108
3/4 + 1/6 = 11/12
11/12:3 = 11/36
5/6 - 1/2 = 2/6 = 1/3
1/3 :9 = 1/27
11/36 + 1/27 = 33/108 + 4/108 = 37/108

Answer 2

(3/4+1/6):3+(5/6-1/2):9 (9+2):3+(5-3):9 11:3+2:9 3,7+0,2=3,9