January 2021 0 189 Report
Bonsoir, petit coup de main sur les 2 questions suivantes : (le signe multiplé est X)

1) 7 X 1 - 7 X 2y= ?
soit -2y+7 ou -2y-7 ou 2y+7

2) 10000xy - 10000 X 2y =
soit 2(10000 y-x) ou -20000xy X 2 ou 10000 ( xy - 2y )

merci
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