John Oon's answer to wkkdmfdj's Secondary 3 E Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
John Oon
John Oon's answer
255 answers (Tutor Details)
1st
wkkdmfdj
Wkkdmfdj
2 years ago
yessir
John Oon
John Oon
2 years ago
Welcome