题目内容

计算下面各题(能简算的要简算).
5
7
÷(5-3×
2
3
1
2
÷
1
4
×(8+
2
3
84×0.25+
1
4
×16
5
8
÷(
3
4
-
1
2
1
5
+
4
5
÷
1
10
-
3
5
48×(
1
3
-
1
2
+
1
4
5
7
÷(5-3×
2
3
),
=
5
7
÷(5-2),
=
5
7
÷3,
=
5
7
×
1
3

=
5
21

1
2
÷
1
4
×(8+
2
3
),
=
1
2
÷
1
4
×
26
3

=
1
2
×4×
26
3

=
52
3

84×0.25+
1
4
×16,
=84×
1
4
+
1
4
×16,
=
1
4
×(84+16),
=
1
4
×100,
=25;
5
8
÷(
3
4
-
1
2
),
=
5
8
÷
1
4

=
5
8
×4,
=
5
2

1
5
+
4
5
÷
1
10
-
3
5

=
1
5
+
4
5
×10-
3
5

=
1
5
+8-
3
5

=7
3
5

48×(
1
3
-
1
2
+
1
4
),
=48×
1
3
-48×
1
2
+48×
1
4

=16-24+12,
=16+12-24,
=4.
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