viết phân số
5cm=......dm 52cm=.......m
7cm=........m 451m=..........km
535m=........km 75m=..........km
3 tạ=.......tấn 341kg=.........tấn
63kg=.....tấn 14g=..........kg
754g=......kg 1m7cm=........m
3km15m=.......km 4km2m=........km
7 tấn 34kg=........tấn 5kg5g=..........kg
5cm=.\(\frac{1}{5}\)dm 52cm=.......m
7cm=...\(\frac{1}{70}\).m 451m=..........km
535m=........km 75m=..........km
3 tạ=....\(\frac{1}{3}\)..tấn 341kg=.........tấn
63kg=..\(\frac{1}{3600}\).tấn 14g=..........kg
754g=......kg 1m7cm=........m
3km15m=.......km 4km2m=........km
7 tấn 34kg=........tấn 5kg5g=..........kg