问题 解答题
直接写出得数.
1
2
÷
1
3
=
5
9
÷
3
5
=
6
7
÷2=
2
5
=
5
7
-
1
15
=
3
4
÷
3
8
=
4-
8
13
-
5
13
=
2
13
+
2
13
=
3
7
×0+9=
答案

1
2
÷
1
3
=
3
2
5
9
÷
3
5
=
25
27
6
7
÷2=
3
7
2
5
=10,
5
7
-
1
15
=
68
105
3
4
÷
3
8
=2,
4-
8
13
-
5
13
=3,
2
13
+
2
13
=
2
13
3
7
×0+9=9.

单项选择题
判断题