题目内容

脱式计算:(能简算的要简算)
6
15
×
1
7
+
8
15
÷7
;
9
10
÷[
1
2
×(
6
5
-
3
10
)]
;
8.6×2
3
4
-0.6÷
4
11
.
(1)
6
15
×
1
7
+
8
15
÷7
,
=
6
15
×
1
7
+
8
15
×
1
7
,
=(
6
15
+
8
15
)×
1
7
,
=
14
15
×
1
7
,
=
2
15
;

(2)
9
10
÷[
1
2
×(
6
5
-
3
10
)]
,
=
9
10
÷[
1
2
×
9
10
],
=
9
10
÷
9
20
,
=2;

(3)8.6×2
3
4
-0.6÷
4
11
,
=8.6×
11
4
-0.6×
11
4
,
=(8.6-0.6)×
11
4
,
=8×
11
4
,
=22.
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