⑴ ____ A. Beijing is a great city.
⑵ ____ B. Time to go back to school.
⑶ ____ C. Don't forget to take some pictures.
⑷ ____ D. I'm putting on my new coat.
⑸ ____ E. What a fun trip!
解得x＝30．
即小王购买豆角的数量是30斤．
故选：C．
分析：设小王购买豆角的数量是x斤，依据“之前一人只比你少买5斤就是按标价，还比你多花了3元”列出方程并解答．
题型：单选题
难易程度：普通
掌握程度：理解
考查类型：常考题
试题类型：普通类型
试题级别：七年级
试题地区：全国
试题来源：北师大版数学七年级上册5.4应用一元一次方程－－打折销售同步练习
试题标签：北师大版 数学 七年级上册 5.4应用一元一次方程－－打折销售
____ A. Beijing is a great city.
____ B. Time to go back to school.
____ C. Don't forget to take some pictures.
____ D. I'm putting on my new coat.
____ E. What a fun trip!
