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secondary 4 | A Maths
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secondary 4 chevron_right A Maths chevron_right Singapore

need help with this qn, pls explain too

Date Posted: 3 years ago
Views: 245
Eric Nicholas K
Eric Nicholas K
3 years ago
We cannot say that 7 + 6 = 13 and 5 + 4 = 9 for this question.

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Danny Low
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