题目内容

计算下面各题.
[1-(
1
4
+
3
8
)]÷
1
4
1
6
×
2
3
÷(
4
5
-
8
15

15
16
+(
7
16
-
1
4
)÷
1
2
12÷[(
5
6
-
1
3
)×6].
(1)[1-(
1
4
+
3
8
)]÷
1
4

=[1-
5
8
1
4

=
3
8
÷
1
4

=
3
2


(2)
1
6
×
2
3
÷(
4
5
-
8
15
),
=
1
6
×
2
3
÷
4
15

=
1
9
×
15
4

=
5
12


(3)
15
16
+(
7
16
-
1
4
)÷
1
2

=
15
16
+
3
16
÷
1
2

=
15
16
+
6
16

=
21
16


(4)12÷[(
5
6
-
1
3
)×6],
=12÷[
1
2
×6],
=12÷3,
=4.
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