我需要天才的帮助.几题一元一次不等式的应用.- = 1、某种杀虫药粉12千克,含药率为12,现在选用含药较高的同性质的药粉15千克与之混合,使混合后的含药率不低于20%,且不高于24%,则选用药含要
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/07 11:46:44
![我需要天才的帮助.几题一元一次不等式的应用.- = 1、某种杀虫药粉12千克,含药率为12,现在选用含药较高的同性质的药粉15千克与之混合,使混合后的含药率不低于20%,且不高于24%,则选用药含要](/uploads/image/z/9693607-31-7.jpg?t=%E6%88%91%E9%9C%80%E8%A6%81%E5%A4%A9%E6%89%8D%E7%9A%84%E5%B8%AE%E5%8A%A9.%E5%87%A0%E9%A2%98%E4%B8%80%E5%85%83%E4%B8%80%E6%AC%A1%E4%B8%8D%E7%AD%89%E5%BC%8F%E7%9A%84%E5%BA%94%E7%94%A8.-+%3D+1%E3%80%81%E6%9F%90%E7%A7%8D%E6%9D%80%E8%99%AB%E8%8D%AF%E7%B2%8912%E5%8D%83%E5%85%8B%2C%E5%90%AB%E8%8D%AF%E7%8E%87%E4%B8%BA12%2C%E7%8E%B0%E5%9C%A8%E9%80%89%E7%94%A8%E5%90%AB%E8%8D%AF%E8%BE%83%E9%AB%98%E7%9A%84%E5%90%8C%E6%80%A7%E8%B4%A8%E7%9A%84%E8%8D%AF%E7%B2%8915%E5%8D%83%E5%85%8B%E4%B8%8E%E4%B9%8B%E6%B7%B7%E5%90%88%2C%E4%BD%BF%E6%B7%B7%E5%90%88%E5%90%8E%E7%9A%84%E5%90%AB%E8%8D%AF%E7%8E%87%E4%B8%8D%E4%BD%8E%E4%BA%8E20%25%2C%E4%B8%94%E4%B8%8D%E9%AB%98%E4%BA%8E24%25%2C%E5%88%99%E9%80%89%E7%94%A8%E8%8D%AF%E5%90%AB%E8%A6%81)
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