Viêt số thích hợp vào chỗ chấm:
a) 3,5m=........m.......dm b) 7,800m=.............cm
4,10m=.........m.......cm 1090mm=...........cm...........mm
2,09m=.........m.........cm 4,7mm=.............cm............mm
5,60m=..........m.........dm 9,4cm=........cm.............mm
a: 3,5m=3m5dm
4,10m=4m10cm
2,09m=2m9cm
5,6m=5m6dm
b: 7,8m=780cm
1090mm=100cm90mm
4,7mm=0,4m0,07mm
9,4cm=9cm4mm
a, 3,5m=3m5dm
4,10m=4m10cm
2,09m=2m9cm
5,6m=5m6dm
b, 7,8m=780cm
1090mm=100cm90mm
4,7mm=0,4m0,07mm
9,4cm=9cm4mm