问题
解答题
计算: (1)0-(-9) (2)-3-4+19-11+2 (3)|-2|-(-2.5)-|1-4| (4)-
(5)(-36)×(
(6)-14-[3-(-2)3]÷6 |
答案
(1)原式=0+9=9;
(2)原式=-7+19-11+2
=12-11+2
=1+2
=3;
(3)原式=2+2.5-3=4.5-3=1.5;
(4)原式=1-1=0;
(5)原式=(-36)×
-(-36)×3 4
+(-36)×5 6 7 9
=-27+30-28
=-25;
(6)原式=-1-[3-(-8)]÷6
=-1-[3+8]÷6
=-1-11 6
=-17 6