题目内容

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
)
(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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