【单选题】In a certain store, each record costs X dollars and each tape costs Y dollars. The total cost of 3 records and 2 tapes is $39.
网考网参考答案:D
网考网解析:
暂无解析
document.getElementById("warp").style.display="none";
document.getElementById("content").style.display="block";
查看试题解析出处>>
发布评论 查看全部评论