October 2023 0 20 Report
3 On se propose d'exprimer un produit à l'aide
d'une somme ou d'une différence. Compléter.
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a. 2(5+x)=2x+2×....
b. 4(y-2)=4x...-4x2 =......
c. 6(3a+5)=6×......+6×....
d. 3(7-2b) = 3x -3x......
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+....
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