Bonjour merci de m'aider pour 1 exercice.... Pergunta de ideia deAidezmoisvpsvpsvp

Aidezmoisvpsvpsvp @Aidezmoisvpsvpsvp

May 2019 1 171 Report

Bonjour merci de m'aider pour 1 exercice

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Bonjour,

soit x l' âge de la benjamine

l'aînée a x+4
la cadette a x+2

x+4+x+2 =3x
2x+6 = 3x
2x-3x =-6
x = 6

la benjamine a 6ans
la cadette a 8ans
l'aînée a 10ans

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