2/5千米等于几米

2/5千米等于几米 6.772千米等于几千米几米 12.15千米等于几千米几米? 5米/秒等于几千米/小时 5分之4千米等于几米 8分之5千米等于几分之几米 3千米15米等于几千米? 两千米35米等于几千米? 1千米等于几米 3.08千米等于几米 一千米等于几米? 3千米等于几米 1.6千米等于几米 232千米等于几米 1000千米等于几米 3.5千米等于几米 7.02千米等于几米? 一千米等于几米