Mathaddict100's answer to Siti Zarina's Secondary 1 Maths Singapore question.
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You need to break the numbers (by factorisation) to see it..Hope it helps.. :)
Date Posted:
5 years ago
You are not required to write the explanation in exams..The range and steps will be useful to write in this case..
It's quite sad the boys didn't have their share haha..
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