十码等于几米?

十码等于几米? 十里等于几米 十尺等于几米? 十公尺等于几米? 三分之十千米等于几米 1十|等于几 三分之一等于十五分几? 59十39等于几. 几元等于十元 十五加十五等于几? 13十15等于几 请问五加十等于几? 十加十七等于几 1十2等于几 2十2等于几 十五加十五等于几 十加十五等于几 1十1等于几