李阿姨买5kg大米和3kg面粉,共花22.1元.已知每千克大米比每千克面粉便宜0.7元,每千克大米多少钱?知道方程列式就是不知道咋解.解:设每千克大米为X元钱. 5x+3(x+0.7)= 22.1接下来?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/12 05:06:03
![李阿姨买5kg大米和3kg面粉,共花22.1元.已知每千克大米比每千克面粉便宜0.7元,每千克大米多少钱?知道方程列式就是不知道咋解.解:设每千克大米为X元钱. 5x+3(x+0.7)= 22.1接下来?](/uploads/image/z/769754-2-4.jpg?t=%E6%9D%8E%E9%98%BF%E5%A7%A8%E4%B9%B05kg%E5%A4%A7%E7%B1%B3%E5%92%8C3kg%E9%9D%A2%E7%B2%89%2C%E5%85%B1%E8%8A%B122.1%E5%85%83.%E5%B7%B2%E7%9F%A5%E6%AF%8F%E5%8D%83%E5%85%8B%E5%A4%A7%E7%B1%B3%E6%AF%94%E6%AF%8F%E5%8D%83%E5%85%8B%E9%9D%A2%E7%B2%89%E4%BE%BF%E5%AE%9C0.7%E5%85%83%2C%E6%AF%8F%E5%8D%83%E5%85%8B%E5%A4%A7%E7%B1%B3%E5%A4%9A%E5%B0%91%E9%92%B1%3F%E7%9F%A5%E9%81%93%E6%96%B9%E7%A8%8B%E5%88%97%E5%BC%8F%E5%B0%B1%E6%98%AF%E4%B8%8D%E7%9F%A5%E9%81%93%E5%92%8B%E8%A7%A3.%E8%A7%A3%EF%BC%9A%E8%AE%BE%E6%AF%8F%E5%8D%83%E5%85%8B%E5%A4%A7%E7%B1%B3%E4%B8%BAX%E5%85%83%E9%92%B1.+5x%2B3%EF%BC%88x%2B0.7%EF%BC%89%3D++22.1%E6%8E%A5%E4%B8%8B%E6%9D%A5%3F)
x){6Oxsiv%˟otRqv˹oyںEF##=çzOoz>O{vC?[?.d蠩~d
_Nh4egv>_c=O7l|6c_,_znIOv Z 4JOB
mt*(o.I*X߂]@7XC6v6#-A*`52 =S