Transformati:a)in grame:30kg;200hg;300kg  b)tone:2000kg;40g;5400hg    c)in tone:32kg;725v(vagoane);5,7q d)in chintale:3,25t;345kg;432kg e)in hectograme:2,5kg;785dag;420g f)in decagrame:8,5kg;330g;7,2hg   va rog este urgent ajutati-ma