А) (3 16/27+1 17/27)-(2 25/36+1 7/36) в) (6,4+7,72) * (13,8-5,75)

Question

А) (3 16/27+1 17/27)-(2 25/36+1 7/36) в) (6,4+7,72) * (13,8-5,75)

Answer 1

A) [(3)16/27 + (1)17/27] - [(2)25/36 + (1)7/36] = (4)33/27 - (3)32/27 =
= (1)1/27
в) (6,4 + 7,72) * (13,8 - 5,75) = 14,12 * 8,05 = 113,666