问题 解答题
计算:
(1)|-10|+|+8|;
(2)(-24)-(-15);
(3)-3×(-4)×(-5);
(4)(-
7
8
)÷(-
3
4
)

(5)(-36)×(
2
9
-
1
4
+
1
18
)

(6)42×(-
2
3
)+(-
3
4
)÷(-
1
4
)
答案

(1)|-10|+|+8|

=10+8

=18;

(2)(-24)-(-15)=-9;

(3)-3×(-4)×(-5)

=12×(-5)

=-60;

(4)(-

7
8
)÷(-
3
4
)=
7
6

(5)(-36)×(

2
9
-
1
4
+
1
18
)

=-36×

2
9
+36×
1
4
-36×
1
18

=-8+9-2

=-1;

(6)42×(-

2
3
)+(-
3
4
)÷(-
1
4
)

=-28+3

=-25.

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