Jasline Lee Yin Yin's answer to Chang Yu's Primary 1 Maths question.
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Taking question 6 as an example, 5 less than 6 is 1, meaning 5 is smaller than 6 by 1. For question 7 onwards, you can start by asking what number is smaller than 6 by 2. so the answer will be 6-2=4
Date Posted:
6 years ago