题目内容

计算.
4
9
÷(
5
6
-
1
2
)
10÷
5
9
+
2
3
2-
8
15
×
9
16
4
5
×
2
3
+
4
5
÷3
(13+
26
27
1
13
(
1
6
+
3
8
1
48
(1)
4
9
÷(
5
6
-
1
2

=
4
9
÷
1
3

=
4
9
×3
=
4
3


(2)10÷
5
9
+
2
3

=10×
9
5
+
2
3

=18+
2
3

=18
2
3


(3)2-
8
15
×
9
16

=2-
3
10

=1
7
10


(4)
4
5
×
2
3
+
4
5
÷3
=
4
5
×
2
3
+
4
5
×
1
3

=
4
5
×(
2
3
+
1
3

=
4
5
×1
=
4
5


(5)(13+
26
27
)×
1
13

=13×
1
13
+
26
27
×
1
13

=1+
2
27

=1
2
27


(6)(
1
6
+
3
8
)÷
1
48

=(
1
6
+
3
8
)×48
=
1
6
×48+
3
8
×48
=8+18
=26.
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