Вычислите -1.2×(-0.8) = б)-12.5×3.6 = в)-5.6×(-3/7)=

Question

Вычислите -1.2×(-0.8) = б)-12.5×3.6 = в)-5.6×(-3/7)=

Answer 1

1)-1,2*(-0,8)=0,96;
2)-12,5*3,6=-45;
3)-5,6*(-3/7)=-28/5*(-3/7)=12/5=2,4.