5M 3DM = 53DM9M 2DM = 92DM8DM 1CM = 81CM7M 12CM = 712CM4M 5CM =...

Câu 1.5m 3dm = 53dm9m 2dm = 92dm8dm 1cm = 81cm7m 12cm = 712cm4m 5cm = 405cm