Anna-Maria Lanzinger's answer to Suhaina's Junior College 2 H3 Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Anna-Maria Lanzinger
Anna-maria Lanzinger's answer
4 answers (Tutor Details)
1st
I think if you solved 1 already, you are able to solve 2 and 3 with this hints.