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Préparation au DNB : Fiche n°4 ? Correction

2,7 cm3 de sable s'écoulera en 3 minutes. Exercice 3 : 6 pts. 20 min. Dans cet exercice ... AE + EF + FG + GH + HI + IJ + JA = 240 + 52 + 52 + 24? + 211 + 6 025 + ...

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