Question

помогите дам 40-овку

Answer 1

6а * (-2b) * (-c) = 12abc
-5/6a *(-4/5b) * 3/8 = 2/3ab * 3/8 = 1/4ab
-0,5a *(-7b) * (-2c) = -7abc
-4m * 0,8c * (-5d) = 16mcd

Answer 2

1)6а•(-2b)•(-c)=12abc
2)-5/6a•(-4/5b)•3/8=2/3ab•3/8=1/4ab
3)-0,5a•(-7b)•(-2c)=3,5ab•(-2c)=-7abc
4)-4m•0,8c•(-5d)=-3,2mc•(-5d)=
16mcd