480000dm=?km480000分米等于几千米?

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480000dm=?km480000分米等于几千米?480000dm=?km480000分米等于几千米?480000dm=?km480000分米等于几千米?1m=10dm1km=1000m480000

480000dm=?km480000分米等于几千米?
480000dm=?km
480000分米等于几千米?

480000dm=?km480000分米等于几千米?
1m=10dm
1km=1000m
480000dm=48km