... táûp. a) 5, 34km 2 = 5 km 2 = 5km 2 34ha = 53 4ha b) 16,5m 2 = 16 m 2 = 16m 2 50 dm 2 c) 6,5km 2 = 6 km 2 = 6km 2 50 ha 5 10000 5 100 42 100 56 100 23 ... baỡi vaỡo vồớ baỡi tỏỷp. - GV chổợa baỡi vaỡ cho õióứm HS. a) 5km 302m = 5 km = 5, 302km b) 5km 75m = 5 km = 5, 075km c) 302m = km = 0,302km 3. CUNG C, DN DOè GV tọứng ... 50 6cm = 50 0cm + 6cm = 5m 6cm = 5 m = 5, 06m 34dm = 30dm + 4dm = 3m 4dm = 3 m = 3,4m - GV chỉỵa bi v cho âiãøm HS. Phán têch 3 15 ta âỉåüc: 3m 1dm 5cm Váûy 315cm...