15mm=...cm
6mm=...cm
5m2dm=...dm
3tấn 6tạ =...tạ
4km2 62ha=...m2
7km2 6m2=...m2
4575m=...km...m
37054mm=...m...mm
5687kg=...tấn..kg
4087=...kg...g
6434dam2=...ha...m vuông
834mm2=...cm2...mm2
2m47mm=...m
9tạ 2kh=...kg
8dam2 4m2=...m2
7km 5m=...m
8tấn 6kg=..kg
7yến16g=...g