问题
解答题
计算: (1)-4-(-3)+(-6)-(+2) (2)(
(3)-
|
答案
(1)原式=-4+3-6-2=3-12=-9;
(2)原式=-28+30-27=-25;
(3)原式=-
×(-9×3 2
-8)=-4 9
×(-12)=18.3 2
计算: (1)-4-(-3)+(-6)-(+2) (2)(
(3)-
|
(1)原式=-4+3-6-2=3-12=-9;
(2)原式=-28+30-27=-25;
(3)原式=-
×(-9×3 2
-8)=-4 9
×(-12)=18.3 2