Christmas MT's answer to Pin Xuan's Primary 1 Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Christmas MT
Christmas Mt's answer
2913 answers (A Helpful Person)
1st
1+1 = 2
10+101 = 111
20+30 = 50
Pin Xuan
Pin Xuan
2 years ago
Thx