Question

Решить 9 86 первый пример​

Answer 1

1)

(5/6 - 1 3/5) * (-4/5 - 1,2) = (5/6 - 8/5) * (-0,8 - 1,2) = (25/30 - 48/30) * (-2) = -23/30  * (-2) = 46/30 = 23/15 = 1 8/15