分數加1
=

3

8

+

2

8

=

4

9

+

2

9

=

5

6

+

1

6

=
=

4

5

+

3

5

=
=

11

15

+

13

15

=
+
15

1

创建 That Quiz — 在数学和其他学科的出题与测试更加便利。.