Nur's answer to Merlion's Secondary 1 Maths Singapore question.
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Step 1: List out multiples of 27
27,54,81,108,etc
Step 2: Do guess and check method
Factors of 81: 1,3,9,27,81
1 x 81
3 x 27
9 x 9
27,54,81,108,etc
Step 2: Do guess and check method
Factors of 81: 1,3,9,27,81
1 x 81
3 x 27
9 x 9
Date Posted:
1 year ago
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