Jiayang's answer to holowinwin's Secondary 3 E Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Jiayang
Jiayang's answer
1883 answers (Tutor Details)
Is this qn such a killer qn? I think I've seen it at least 3 times here alr