Fenfen Li's answer to Zayne's Primary 4 Maths Singapore question.
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As it had given that the length is 2U and the breadth is 1U , you can say that the number for the length is twice the number for the breadth.So,I look for the factors of 72 and found the number that is twice of the other number.And the answer must be the smaller number.My Mother said that it is like the method Guess and Check!
Date Posted:
6 years ago
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