Question

Помогите решить и упростить)
-8m*12;
-3,2a*(-4)
3/7a+(-7/6b)
-6,5bc*(-1)
-2a*(-3b)
-0,22x*(-3y)
-1 2/5*(-a)*(-5/7)

Answer 1

-8m•12=-8*12+m*12=-96+12m..-3.2a*(-4)=-3.2*(-4)+(-4)a=-12.8-4a..3/7a+(-7/6b)=3/7-7/6b..-6.5bc*(-1)=6.5bc..-2a*(-3b)=6ab..-0.22x*(-3y)=0.66xy..-1 2/5*(-a)*(-5/7)=1 2/5a