(3-2b)*7

8*(3c+7d)

(7-x)*6

9*(y+4)

(5z+4t)*8

Ответы:

(a+6)*3=3a+18

(3-2b)*7=21-14b

8*(3c+7d)=24c+56d

(7-x)*6=42-6x

9*(y+4)=9e+36

(5z+4t)*8=40z+-32t





18+а 7 b 80cd 42-x 36+y 72 zt