题目内容

下面各题怎样算简便就怎样算.
4
5
÷[(
1
3
+
2
5
)×
4
11
]
18
5
÷0.15×
5
3
5
8
÷9+
1
9
×
11
8
2-
6
13
÷
9
26
-
2
3
(1)
4
5
÷[(
1
3
+
2
5
)×
4
11
],
=
4
5
÷[
11
15
×
4
11
],
=
4
5
÷
4
15

=3;

(2)
18
5
÷0.15×
5
3

=
18
5
×
5
3
÷0.15,
=6÷0.15,
=40;

(3)
5
8
÷9+
1
9
×
11
8

=
5
8
×
1
9
+
1
9
×
11
8

=(
5
8
+
11
8
)×
1
9

=2×
1
9

=
2
9


(4)2-
6
13
÷
9
26
-
2
3

=2-
4
3
-
2
3

=2-(
4
3
+
2
3
),
=2-2,
=0.
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