一斤是十六两,一两是十钱,500克÷16÷10=3.125克,所以一钱=3.125克。
一公斤等于两市斤,也就是说一斤等于500克,一两等于50克,一钱等于5克
reference: http://zhidao.baidu.com/question/39022525.html
算到我乱。。更想睡了。。
Sunday, April 19, 2009
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