题目内容

脱式计算下面各题.(能简算的要简算)
6.4÷
8
9
×
5
24
              
5
42
×
24
25
÷
36
35
                 
(4-0.4)×(
2
9
+
2
3
10
19
÷
3
4
×
38
5
              
0.9×31-0.9×1 [
3
8
-(
1
6
+
1
3
)]÷
1
12
(1)6.4÷
8
9
×
5
24

=
32
5
×
9
8
×
5
24

=
3
2


(2)
5
42
×
24
25
÷
36
35

=
5
42
×
24
25
×
35
36

=
1
9


(3)(4-0.4)×(
2
9
+
2
3
),
=3.6×
8
9

=3.2;

(4)
10
19
÷
3
4
×
38
5

=
10
19
×
4
3
×
38
5

=
16
3


(5)0.9×31-0.9×1,
=0.9×(31-1),
=0.9×30,
=27;

(6)[
3
8
-(
1
6
+
1
3
)]÷
1
12

=[
3
8
-
1
2
1
12

=-
1
8
×12,
=-
3
2
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