Woon Kiat's answer to Lawrie's Secondary 1 Maths Singapore question.
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Hope this helps :)
Use HCF as the basic model, LCM is premium model with the best features (all factors and greatest power).
I decided to make N the greater number with additional factors to satisfy the LCM provided for M and N.
LCM is missing factors 7 and 23 so k has to be 7×23 but with powers of 2 to be a perfect square.
Use HCF as the basic model, LCM is premium model with the best features (all factors and greatest power).
I decided to make N the greater number with additional factors to satisfy the LCM provided for M and N.
LCM is missing factors 7 and 23 so k has to be 7×23 but with powers of 2 to be a perfect square.
Date Posted:
2 weeks ago
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