题目内容

能简算的要简算.
3
4
×
6
13
÷
9
26
4
9
÷(
1
3
+
1
3
5
9
×7+
5
9
×11
7
12
-
5
18
)×36
[1-(
1
4
+
3
8
)]÷
1
4
4
25
×99+
4
25
3
5
×
2
3
+
2
5
÷1
1
2
(1)
3
4
×
6
13
÷
9
26

=
3
4
×
6
13
×
26
9

=
9
26
×
26
9

=1;

(2)
4
9
÷(
1
3
+
1
3
),
=
4
9
÷
2
3

=
2
3


(3)
5
9
×7+
5
9
×11,
=
5
9
×(7+11),
=
5
9
×18,
=10;

(4)(
7
12
-
5
18
)×36,
=
7
12
×36-
5
18
×36,
=21-10,
=11;

(5)[1-(
1
4
+
3
8
)]÷
1
4

=(1-
5
8
)÷
1
4

=
3
8
×4,
=
3
2


(6)
4
25
×99+
4
25

=
4
25
×(99+1),
=
4
25
×100,
=16;

(7)
3
5
×
2
3
+
2
5
÷1
1
2

=
3
5
×
2
3
+
2
5
×
2
3

=(
3
5
+
2
5
)×
2
3

=1×
2
3

=
2
3
练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网