题目内容

计算下面各题.
14×5+540÷18
8
9
×
3
4
-
5
12
÷
5
6
[1-(
1
4
+
3
8
)]÷
3
4
1
3
+
1
2
÷
3
4
)÷
1
5

(1)14×5+540÷18,
=70+30,
=100;

(2)
8
9
×
3
4
-
5
12
÷
5
6

=
2
3
-
1
2

=
1
6


(3)[1-(
1
4
+
3
8
)]÷
3
4

=[1-
5
8
3
4

=
3
8
÷
3
4

=
1
2


(4)(
1
3
+
1
2
÷
3
4
)÷
1
5

=(
1
3
+
2
3
)÷
1
5

=1÷
1
5

=5.
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