Rae's answer to Cindy's Primary 3 Maths Singapore question.

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Rae
Rae's answer
34 answers (Tutor Details)
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Hope this helps!
Cindy
Cindy
2 years ago
Thank you very much. But besides guess n check method, is there another method? Thanks.
Rae
Rae
2 years ago
It is possible to use algebra if you have learnt it already.
Cindy
Cindy
2 years ago
May I know is it possible to do by assumption method? Thank you.
Rae
Rae
2 years ago
Yes, it’s possible!