Vickie Wu's answer to Po Yen Wang's Primary 4 Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Vickie Wu
Vickie Wu's answer
1 answers (Tutor Details)
Draw a table listing down the 9 teams in the first row and first column. Cross out the matches between the same team and the repeated matches and you will get the answer:)