问题 解答题
计算:
|-7|+|4|=
4
5
÷
8
15
=
(-0.5)÷(-
1
4
)
=
-
3
4
+
1
2
=
|-(-2)|-(-|-
1
2
|)
=
-
7
5
+
1
10
=
10.01×8.99≈______:
2
5
=
2
5
25÷|-
1
2
|
=
-|-2|×|-
1
5
|
=
答案

|-7|+|4|=11,
4
5
÷
8
15
=
3
2
(-0.5)÷(-
1
4
)
=2,
-
3
4
+
1
2
=-
1
4
|-(-2)|-(-|-
1
2
|)
=2
1
2
-
7
5
+
1
10
=-
13
10
10.01×8.99≈90,
4
25
2
5
=
2
5
25÷|-
1
2
|
=50,
-|-2|×|-
1
5
|
=-
2
5
故答案为:11,
3
2
,2,
1
4
,2
1
2
,-
13
10
,90,
4
25
,50,-
2
5

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