4987m2=....dam2....m2 320 060 dam2=.....km2....m2 125 600m2=....hm2....dam2 9 028 007m2=.....km2......m2 5m2 16dm2=.....m2 7m2 5cm2=.....m2 68 cm2=......m2 69 3000 m2=.....ha 0,235 km2=.....ha 25m2 7dm2=......m2 15km2 68hm2=......km2 2002 cm2=.....m2 500m2=....ha 0,058km2=......ha 9km2 6dam2=....km 75m2 7dm2=.....m2 68 063 m2=....ha 400ha=....km2

Đáp án:`+`Giải thích các bước giải:

`4987m^2=49dam^2  87m^2`

`320 060 dam^2=32km^2 60m^2`

`125 600m^2=12hm^2 56dam^2`

`9 028 007m^2=9 028 000km^2 7m^2`

`5m^2 16dm^2=5,0016m^2`

`7m^2 5cm^2=7,0005m^2`

`68cm^2=0,0068m^2`

`693 000m^2=69,3 ha`

`0,235km^2=23,5ha`

`25m^2 7dm^2=25,07dm^2`

`15km^2 68hm^2=15,68km^2`

`2002cm^2=0,2002m^2`

`500m^2=0,05ha`

`0,058km^2=5,8ha`

`9km^2 6dam^2=9,0006 km^2`

`75m^2 7dm^2=75,07m^2`

`68 063m^2=6,8063ha`

`400ha=4km^2`