Mathematics, 13.07.2019 16:30 gunnatvinson

Xiaos 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 he make? how should he have written the sum

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