八年级上册（北师大版）数学练习册参考答案

Question

全都要要详细谢谢啦

Answer 1

去百度搜啊http://www.baidu.com/s?kw=&sc=web&cl=3&tn=sitehao123&ct=0&rn=&lm=&ie=gb2312&rs2=&myselectvalue=&f=&pv=&z=&from=&word=%B0%CB%C4%EA%BC%B6%C9%CF%CA%FD%D1%A7%C1%B7%CF%B0%B2%E1%B4%F0%B0%B8