Bonsoir,
1 post = 1 exercice stp
Ex. 3 :
1) 270/450 = (90×3)/(90×5) = 3/5
2) 450 × (1 - 3/5) = 180
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Bonsoir,
1 post = 1 exercice stp
Ex. 3 :
1) 270/450 = (90×3)/(90×5) = 3/5
2) 450 × (1 - 3/5) = 180