sstrike's answer to Daisy's Primary 6 Maths Algebra Singapore question.
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assumption method
7×12 = 84
235-84 = 151
48-7 = 41
assume all 41 tables r small
41×2 = 82
151-82 = 69
each → M-S = 5-2 = 3
69÷3 = 23 (Ans)
7×12 = 84
235-84 = 151
48-7 = 41
assume all 41 tables r small
41×2 = 82
151-82 = 69
each → M-S = 5-2 = 3
69÷3 = 23 (Ans)
Date Posted:
2 years ago
Thank u sir
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