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anzhelika [568]

3 years ago

9

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?

1 answer:

Dennis_Churaev [7]3 years ago

3 0

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

hopefully this helps!

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