Priscilla Ng's answer to Chan Yee Li's Primary 5 Maths Singapore question.

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Priscilla Ng
Priscilla Ng's answer
788 answers (Tutor Details)
Hope the 'Before and After' Model Drawing can help you visualize the change and simplify the steps in solving it.
Chan Yee Li
Chan Yee Li
5 years ago
Thank you. Very clear with model