简单的三元一次方程组集邮爱好者李勇上周末在邮市买了a,b,c三种邮票若干张,其面值分别为0.8元,2元,2.5元,共花费27元,已知c邮票比b邮票多2张,买b邮票的花费是a邮票花费的2倍,则a、b、c三种邮
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/03 12:28:46
![简单的三元一次方程组集邮爱好者李勇上周末在邮市买了a,b,c三种邮票若干张,其面值分别为0.8元,2元,2.5元,共花费27元,已知c邮票比b邮票多2张,买b邮票的花费是a邮票花费的2倍,则a、b、c三种邮](/uploads/image/z/2828627-35-7.jpg?t=%E7%AE%80%E5%8D%95%E7%9A%84%E4%B8%89%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%E7%BB%84%E9%9B%86%E9%82%AE%E7%88%B1%E5%A5%BD%E8%80%85%E6%9D%8E%E5%8B%87%E4%B8%8A%E5%91%A8%E6%9C%AB%E5%9C%A8%E9%82%AE%E5%B8%82%E4%B9%B0%E4%BA%86a%2Cb%2Cc%E4%B8%89%E7%A7%8D%E9%82%AE%E7%A5%A8%E8%8B%A5%E5%B9%B2%E5%BC%A0%2C%E5%85%B6%E9%9D%A2%E5%80%BC%E5%88%86%E5%88%AB%E4%B8%BA0.8%E5%85%83%2C2%E5%85%83%2C2.5%E5%85%83%2C%E5%85%B1%E8%8A%B1%E8%B4%B927%E5%85%83%2C%E5%B7%B2%E7%9F%A5c%E9%82%AE%E7%A5%A8%E6%AF%94b%E9%82%AE%E7%A5%A8%E5%A4%9A2%E5%BC%A0%2C%E4%B9%B0b%E9%82%AE%E7%A5%A8%E7%9A%84%E8%8A%B1%E8%B4%B9%E6%98%AFa%E9%82%AE%E7%A5%A8%E8%8A%B1%E8%B4%B9%E7%9A%842%E5%80%8D%2C%E5%88%99a%E3%80%81b%E3%80%81c%E4%B8%89%E7%A7%8D%E9%82%AE)
xUR@~\ZQVgI8ph 2Z0ъ`&5 oѳ j3d9Oj1vRmy.ªc>}?p:?Xt\GoQwֱˤ֦;'d
\b8sUd] {TeJV۫XdpN{2)\HǾQ9z^h/]+#Y]9FoxG4e~"FU&Xwo_J=\/
Fwlnejz1+ +yg+!yOpu , fVl9ظ8E(8hN^X#8de@Tj$ٔZ.IO`>`X=&RY&@ȟD2`k 3Z