问题
解答题
计算:
(1)-2×3×(-4);
(2)-6×(-5)×(-7);
(3)0.1×(-0.001)×(-1);
(4)(-100)×(-1)×(-3)×(-0.5);
(5)(-17)×(-49)×0×(-13)×37;
(6)-9×(-11)-12×(-8).
答案
(1)原式=-6×(-4)=24;
(2)原式=30×(-7)=-210;
(3)原式=-0.0001×(-1)=0.0001;
(4)原式=100×(-3)×(-0.5)=-300×(-0.5)=150;
(5)原式=0;
(6)原式=99+96=195.