Viết (theo mẫu) :

Mẫu : 5m 3dm = 5m + 3/10m = 5 3/10m.

a) 6dm 2cm = .....................................................................................................

b) 7m 9cm = .......................................................................................................

c) 9kg 7g = .........................................................................................................

d) 4kg 15g = .......................................................................................................

làm đúng theo mẫu mik sẽ tick