Bài 2: Viết số thích hơp vào chỗ chấm 6,08 m = ............... cm 25, 7m = .............. mm 4, 456 km = ................m 38,45 km = ............... m 45,43m = .................cm 9, 456m = .................mm 54,8 dam2= ......................m2 9,005hm2= ...........................m2 6,005km2= ................................m2 48,35km2= ...........................hm2 89,09kg = ..................................g 32,4kg= ...................................g