Correction exercices de maths (longueurs) Ex n°1 p 118
109 m + 25 m = 134 m. 2 km + 46 km = 48 km. 78 dam ? 456 cm = (conversion en cm) 780 cm -456 cm = 324 cm. 9 m ? 27 dm = (conversion en dm) 90 dm ? 27 dm = 63 dm.
109 m + 25 m = 134 m. 2 km + 46 km = 48 km. 78 dam ? 456 cm = (conversion en cm) 780 cm -456 cm = 324 cm. 9 m ? 27 dm = (conversion en dm) 90 dm ? 27 dm = 63 dm.