Bonjour svp aider moi je vous en suppli c a rendre merci d avance:3m = 300 cm 3 m² = ...….dm² 25 mm = ........m 2,8 cm² =...... mm² 8 ,5 hm = ...…. dm 3 hm² =...….km² 102 kg =............ g 2,543 m² = ........dam² 258 mg = ...... m² 333 km² =...….. m