题目内容

用你喜欢的方法计算下面各题
(1)201-5406÷51
(2)(
5
9
+
2
3
)×(
7
8
-
5
16

(3)
7
8
×
13
9
+
13
9
÷8
(4)6.48÷[(3.3-2.7)×0.9].
(1)201-5406÷51,
=201-106,
=95;

(2)(
5
9
+
2
3
)×(
7
8
-
5
16
),
=
11
9
×
9
16

=
11
16


(3)
7
8
×
13
9
+
13
9
÷8,
=
7
8
×
13
9
+
13
9
×
1
8

=(
7
8
+
1
8
)×
13
9

=1×
13
9

=
13
9


(4)6.48÷[(3.3-2.7)×0.9],
=6.48÷[0.6×0.9],
=6.48÷0.54,
=12.
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