问题 解答题
2
3
×
2
5
=
3
4
÷3=
6
5
×
2
3
=
4
7
÷
1
2
=
3
4
=
5
6
÷
6
5
=
7
10
×
5
14
=
7.5×40%=
1
2
+
5
8
=
2
3
-
1
4
=
答案

2
3
×
2
5
=
4
15
3
4
÷3=
1
4
6
5
×
2
3
=
4
5
4
7
÷
1
2
=
8
7
3
4
=8
5
6
÷
6
5
=
25
36
7
10
×
5
14
=
1
4
7.5×40%=3
1
2
+
5
8
=
9
8
2
3
-
1
4
=
5
12

单项选择题
单项选择题