Mathematics, 01.12.2020 08:00 Davynsurfsoccergirl

Élizabeth a 20 ans de moins que son père. Si son père est trois fois plus âgé qu’elle, détermine l’âge de chacun.

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Élizabeth a 20 ans de moins que son père. Si son père est trois fois plus âgé qu’elle, détermine l’â...

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