Bonjour svp aider moi j’arrive pas 93 cm 2 dam = M. 8,52 dm 425 mm = Cm 9 km 42 dam. =. Hm. 789 hm 163 m =. Dam. 6cm 2.07 m 7.9 dam =. Cm. 687 dam = 15.4 dm =. Hm. 98 dam = 0.98. =980