Réponse:
exercice 39
A=25×(4-3x)
=25×4-25×3x
=100-75x
B=-7(a-5b-4)
=-7a+35b+28
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Réponse:
exercice 39
A=25×(4-3x)
=25×4-25×3x
=100-75x
B=-7(a-5b-4)
=-7a+35b+28