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Mathematics, 01.07.2019 07:20 reeseleprell7655

Xiao's teacher asked him to rewrite the sum 60+90 as the product of the gcf of the two numbers and a sum. xiao wrote 3(20+30). what mistake did xiao make? how should have rewrite the sum?

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Xiao's teacher asked him to rewrite the sum 60+90 as the product of the gcf of the two numbers and a...
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