SVP urgent DM de maths
on considère l'expression littérale : A = -5x + 7
calculer la valeur de l'expression A pour :
a) x = 0 b) x = 1 c) x = 3 d) x = -3
on considère l'expression littérale : A = -5x + 7
calculer la valeur de l'expression A pour :
a) x = 0 b) x = 1 c) x = 3 d) x = -3
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On considère l'expression littérale :A = - 5x + 7
Calculer la valeur de l'expression A pour :
a) x = 0
A = - 5x + 7
A = - 5 * 0 + 7
A = 0 + 7
A = 7
b) x = 1
A = - 5x + 7
A = - 5 * 1 + 7
A = - 5 + 7
A = 2
c) x = 3
A = - 5x + 7
A = - 5 * 3 + 7
A = - 15 + 7
A = - 8
d) x = -3
A = - 5x + 7
A = - 5 * - 3 + 7
A = 15 + 7
A = 22