Verified answer

1. - 3 3/5 + 2 1/3 * ( - 10 3/4 - ( - 3,6 ) : 4/9 ) = - 45 7/12.

Решение по действиям:

1) - 3,6 : 4/9 = - 3 6/10 : 4/9 = - 3 3/5 * 9/4 = - 18/5 * 9/4 = - 162/20 =

    = - 81/10 = - 8 1/10 = - 8,1.

2) - 10 3/4 - 8 1/10 = - 10 15/20 - 8 2/20 = - 18 17/20.

3) 2 1/3 * ( - 18 17/20 ) = - 377/20 * 7/3 = - 2639/60 = - 43 59/60.

4) - 3 3/5 + ( - 43 59/60 ) = - 3 36/60 + ( - 43 59/60 ) = - 46 95/60 =

    = - 46 19/12 = - 45 7/12.

Ответ:  - 45 7/12.