问题 解答题
计算:
(1)0-(-9)
(2)-3-4+19-11+2
(3)|-2|-(-2.5)-|1-4|
(4)-
1
3
×(-3)+(-
1
5
)×5
(5)(-36)×(
3
4
-
5
6
+
7
9

(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)×

3
4
-(-36)×
5
6
+(-36)×
7
9

=-27+30-28

=-25;

(6)原式=-1-[3-(-8)]÷6

=-1-[3+8]÷6

=-1-

11
6

=-

17
6

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