1.2.5km=......m=.........cm
2.1234mm=.....................m=.....................hm=.................km
3.3.2m3=..................dm3=...................................mm3
4.3.2m3=..............................dm3=...........................mm3
help meeeeeeee!!!!
Ai trả lời cho tớ sẽ gặp may nhaaa!!
chúc thi tốt