25,25dm2 =..............dm2.................mm2
1,2dm3=.......m3=...........cm3
72km/giờ =.........m/phút =................m/giây
87909m=.............km...........hm..........dam............m
35m2 8dm2=.............m2................dm2
0,7dm2=...............m2=................cm2
74 yến =..........................tấn =..............tạ=.....................kg