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Xiao's teacher asked him to rewrite the sum 60+ 90 as the product of the GFC of the two numbers and a sum. Xiao wrote 3(20+30). What mistake did Xiao make? How should he have written the sum?
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Xiao's teacher asked him to rewrite the sum 60+ 90 as the product of the GFC of the two numbers and a sum. Xiao wrote 3(20+30). What mistake did Xiao make? How should he have written the sum?

User Juan Labrador
by
7.3k points

1 Answer

4 votes
the greatest common factor here is not 3, it's 30.
so it should be 30(2+3)

hopefully this helps!
User Yuqli
by
8.4k points
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