supprimer les parenthèses Exercices 49 et 50.... Pergunta de ideia deissartelnathan

issartelnathan @issartelnathan

June 2021 1 174 Report

supprimer les parenthèses
Exercices 49 et 50

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winner123

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Bonjour

numéro 49

x + ( 8 - x) = x + 8 - x
5 - ( x -4) = 5 - x + 4
( x +4) - ( - 3 - x) = x + 4 + 3 + x

numéro 50

a = 10 + ( 5 - x) = 10 + 5 - x
b = 8 - ( x +4) = 8 - x - 4
c = ( 7 - x) - 12 = 7 - x - 12
d = - ( x + 8) - (16 - x) = - x - 8 -16 + x

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