题目内容

11
15
×
3
8
×
3
8
×
4
15
19.62-6.4-3.66×0.11+57.6×0.89
1
8
×57+
1
8
×42+
1
8
(1)
11
15
×
3
8
×
3
8
×
4
15
=
11
400


(2)19.62-6.4-3.6
=19.62-(6.4+3.6),
=19.62-10,
=9.62;

(3)6×0.11+57.6×0.89
=0.66+51.264,
=51.924.

(4)
1
8
×57+
1
8
×42+
1
8

=(1+57+42)×
1
8

=100×
1
8

=12.5.
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