Решите примеры 1) (31-12) * (32-62) = 2) (39-57) : (27 - 18) = 3) 5 * (74-93) = 4) (7 -...

Question

Решите примеры 1) (31-12) * (32-62) = 2) (39-57) : (27 - 18) = 3) 5 * (74-93) = 4) (7 - 13) * (192 184) =

Answer 1

1) 1)31-12=19
2)32-62=62-32=-30
3) 19*(-30)=-570

2) 39-57=57-39=-18
27-18=9
-18:9=-2

3) 74-93=-19
5*-19=-95

4)7-13=-6
192-184=8
-6*8=-48