Low Yi Yin's answer to CA's Primary 5 Maths Whole Numbers Singapore question.
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To get 31, I believe your difference (2u), you did was 20+14 but actually it is 20+14+14 instead. From the model, when R gives 14 to J, the difference actually increases by 14 TWICE. Hope this helps! ;))
Date Posted:
1 year ago
Thank so much
Thank you for your help!!
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