10千米等于几米?100毫米等于几分米?

10千米等于几米?100毫米等于几分米? 100毫米等于几分米? 3469千米等于几千米82厘米等于几分米5800克等于几千米5.38吨等于几千克5.6米等于几分米1.05米等于几毫米360平方米等于几公顷 1分米等于几毫米? 一米等于几分米?几厘米?几毫米? 用小数表示：23毫米等于几米,5厘米等于几分米,6米等于几千米,6元9角5分等于几元, 1250毫米等于几米几分米几厘米 3.55分米等于几毫米 5.02元等于几角 587毫米等于几米?9分米等于几米?256厘米等于几米?45米2毫米等于几米? 10分米等于几米? 2.5乘以10的负2次千米等于几米?;4乘以10的5次微米等于几毫米?；10的6次分米等于几分米?我这是帮别人问啊~第三个问题是10的6次分米等于几千米?还有做这些题有什么窍门?这样以后碰到这种题, 4.76*10毫米等于几米 1毫米等于几米? 1000毫米等于几米 1000毫米等于几米 80毫米等于几米 10000000毫米等于几米, 10000000毫米等于几米