✔ 最佳答案
100m: 健仔 1st、安仔 3rd、明仔 2nd
400m: 健仔 1st、安仔 3rd、明仔 2nd
800m: 健仔 2nd、安仔 1st、明仔 3nd
Shot Put: 健仔 1st、安仔 3rd、明仔 2nd
Long Jump: 健仔 1st、安仔 3rd、明仔 2nd
健仔's mark must be 5-5-2-5-5 if his total is 22, which means he wins 4 out of 5 games and ranked 2nd in 800 m.
安仔's mark must be 1-1-5-1-1 as he won 5 points in 800m. All his results in the other 4 games must be 3rd.
明仔's mark must be 2-2-2-2-1. It means he has 4 games 2nd but one game 3rd, which must be 800m
參考: Mathematics Teacher Mr. Ip