题目内容

下面各题,怎样算简便就怎样算
2-
3
8
÷
7
16
-
1
7
5
9
×
5
6
-
4
9
÷
6
5
4
5
-
4
5
÷4
3
8
÷[(
1
2
-
1
3
3
10
]

(1)2-
3
8
÷
7
16
-
1
7

=2-
6
7
-
1
7

=2-(
6
7
+
1
7
),
=2-1,
=1;

(2)
5
9
×
5
6
-
4
9
÷
6
5

=
5
9
×
5
6
-
4
9
×
5
6

=(
5
9
-
4
9
)×
5
6

=
1
9
×
5
6

=
5
54


(3)4÷
4
5
-
4
5
÷4,
=5-
1
5

=4
4
5


(4)
3
8
÷[(
1
2
-
1
3
)×
3
10
],
=
3
8
÷[
1
6
×
3
10
],
=
3
8
÷
1
20

=
15
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