help cần gấppppppppppppppppppppppppppppppppppp
6m2 8dm2 = ..............m2
2cm2 5mm2 = ............cm2
2,345ha = .................m2
805m2 = ...............ha
1ha = ....................m2
12,44m = ........m.......cm
7,4dm = ........dm.......cm
3,45km = ..............m
5,38km2 = .............ha
16,4m2 = .......m2......dm2
3cm2 4 mm2= .........cm2