Chan Zhi Zhen's answer to chien's Secondary 4 A Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Chan Zhi Zhen
Chan Zhi Zhen's answer
272 answers (Tutor Details)
1st
:)
chien
Chien
4 years ago
tysm