1.出售一件货品时,若提供10%的折扣率,则盈利会减少一半.若以原价出售,则盈利的百分率是多少?2.设A=(7,-2),B=(-5,4),求把AB以1:2之比内分的点P的坐标.3.若[(e^a)^x] * e^ln1=2^a,而a不等于0,则x的值为多
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/10 15:41:35
![1.出售一件货品时,若提供10%的折扣率,则盈利会减少一半.若以原价出售,则盈利的百分率是多少?2.设A=(7,-2),B=(-5,4),求把AB以1:2之比内分的点P的坐标.3.若[(e^a)^x] * e^ln1=2^a,而a不等于0,则x的值为多](/uploads/image/z/15004400-32-0.jpg?t=1.%E5%87%BA%E5%94%AE%E4%B8%80%E4%BB%B6%E8%B4%A7%E5%93%81%E6%97%B6%2C%E8%8B%A5%E6%8F%90%E4%BE%9B10%25%E7%9A%84%E6%8A%98%E6%89%A3%E7%8E%87%2C%E5%88%99%E7%9B%88%E5%88%A9%E4%BC%9A%E5%87%8F%E5%B0%91%E4%B8%80%E5%8D%8A.%E8%8B%A5%E4%BB%A5%E5%8E%9F%E4%BB%B7%E5%87%BA%E5%94%AE%2C%E5%88%99%E7%9B%88%E5%88%A9%E7%9A%84%E7%99%BE%E5%88%86%E7%8E%87%E6%98%AF%E5%A4%9A%E5%B0%91%3F2.%E8%AE%BEA%3D%287%2C-2%29%2CB%3D%28-5%2C4%29%2C%E6%B1%82%E6%8A%8AAB%E4%BB%A51%3A2%E4%B9%8B%E6%AF%94%E5%86%85%E5%88%86%E7%9A%84%E7%82%B9P%E7%9A%84%E5%9D%90%E6%A0%87.3.%E8%8B%A5%5B%28e%5Ea%29%5Ex%5D+%2A+e%5Eln1%3D2%5Ea%2C%E8%80%8Ca%E4%B8%8D%E7%AD%89%E4%BA%8E0%2C%E5%88%99x%E7%9A%84%E5%80%BC%E4%B8%BA%E5%A4%9A)
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