sstrike's answer to ND's Primary 5 Maths Whole Numbers Singapore question.
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【excess/shortage】
3+4 = 7
4×7+3 = 5×7-4 = 31 (Ans)
3+4 = 7
4×7+3 = 5×7-4 = 31 (Ans)
Date Posted:
3 years ago
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