1. True score; 49/50 5/6 19/27 1/ 12

False score; 5/4 23/ 1 1 9/8 13/6

2 5/4 23/6

3 (1)X (2)X (3) pair

4 2 2 1 1 5/9

5 PCs 1/3, 6 PCs 1 cup

6 From left to right, 1 is 1, 8/5, 12/5 2 is 4/5, 15/5 (18/5, 3 and 3/5 are at the same point).

7 10 divided by 3= 10 3 days =3 and 3 1 day.

8 1 2/5 5/7

9 2 7 1

10 3 1/2 1 2 1/3 1

1 1 3 1 divided by 20= 1 and the twentieth 1.

The first line of 12 is the false score after (including) 2/2, followed by the true score.

The second line is the false score after 3/3, including 3/3, and the true score is in front.

The third line is the false score after 4/4, including 4/4, followed by the true score.

The fourth line is the false score after 5/5, including 5/5, followed by the true score.

There are 2/2, 3/3, 4/4 and 5/5 equal to 1.

13 Real score: 1/7 2/7 3/7 4/7 5/7 6/7.

False score: 7/7 7/6 7/5 7/4 7/3 7/2 7/ 1