文档介绍：三年级数学单位换算练****题 注:1公顷(ha)=10000平方米(㎡)1公里=1千米2300米-900米=(     )米       910分米+290分米-200分米=(     )米 =(     )克                   =(    )吨(    )千克 =(     )平方毫米          =(   )元(   )角 (      )分米=                     (     )吨(    )千克= 660米=(    )千米                        3米20厘米=(      )米 6千克260克=(    )千克                  =(    )厘米 6300米=(       )千米                    6530克=(        )千克 =(      )千克                    =(          )分米 =(     )米(     )厘米        =(      )千克(      )克    5千米55米=(        )千米              (      )时=90分 5千克506克=(       )千克              (      )时=3时30分 =(     )吨(     )千克            =(     )分     303厘米=(      )米                     =(     )米(     )厘米      30米7分米=(     )米                   6千克210克=(   )千克        =(     )吨(     )千克        = (    )分米     2元5角7分=(      )元                 3米5厘米=(     )米    =(      )时(      )分             6000千克=(    )吨 80000平方米=(        )公顷              6小时=(       )分 6平方米=(        )平方分米              700厘米=(       )米 32厘米=(        )米                     20米=(        )分米 90000米=(       )千米                   2元10角=(       )元 90厘米=(       )米            8厘米=(        )米 820克=(       )千克                     62克=(         )千克 5吨800千克=(       )吨                 3吨60千克=(       )吨 720克=(       )千克                     11分米=(       )米 64厘米=(       )米