New Zealand's answer to Ugandan Knuckles's Secondary 3 E Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
New Zealand
New Zealand's answer
5 answers (A Helpful Person)
1st
I'm not sure right or wrong. ...
Ugandan Knuckles
Ugandan Knuckles
5 years ago
Thanks