2m59dm =..........................m, 35hm6dam =...........................km, 35m6cm = ............................dam, 3km7m = ...............................hm,
2m59dm =..........................m
35hm6dam =...........................km
35m6cm = ............................dam
3km7m = ...............................hm
7m15cm=................................dm
Giúp mình với mọi người ơi