无语.i hope you will help me.药草种植专业户张伯去年种植了茵陈,亩产量为200千克,每千克售价为15元,今年改良药种,使亩产量提高了40千克,每千克售价上升了5元,这样,张伯在种植面积减少了10亩的
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![无语.i hope you will help me.药草种植专业户张伯去年种植了茵陈,亩产量为200千克,每千克售价为15元,今年改良药种,使亩产量提高了40千克,每千克售价上升了5元,这样,张伯在种植面积减少了10亩的](/uploads/image/z/8065777-49-7.jpg?t=%E6%97%A0%E8%AF%AD.i+hope+you+will+help+me.%E8%8D%AF%E8%8D%89%E7%A7%8D%E6%A4%8D%E4%B8%93%E4%B8%9A%E6%88%B7%E5%BC%A0%E4%BC%AF%E5%8E%BB%E5%B9%B4%E7%A7%8D%E6%A4%8D%E4%BA%86%E8%8C%B5%E9%99%88%2C%E4%BA%A9%E4%BA%A7%E9%87%8F%E4%B8%BA200%E5%8D%83%E5%85%8B%2C%E6%AF%8F%E5%8D%83%E5%85%8B%E5%94%AE%E4%BB%B7%E4%B8%BA15%E5%85%83%2C%E4%BB%8A%E5%B9%B4%E6%94%B9%E8%89%AF%E8%8D%AF%E7%A7%8D%2C%E4%BD%BF%E4%BA%A9%E4%BA%A7%E9%87%8F%E6%8F%90%E9%AB%98%E4%BA%8640%E5%8D%83%E5%85%8B%2C%E6%AF%8F%E5%8D%83%E5%85%8B%E5%94%AE%E4%BB%B7%E4%B8%8A%E5%8D%87%E4%BA%865%E5%85%83%2C%E8%BF%99%E6%A0%B7%2C%E5%BC%A0%E4%BC%AF%E5%9C%A8%E7%A7%8D%E6%A4%8D%E9%9D%A2%E7%A7%AF%E5%87%8F%E5%B0%91%E4%BA%8610%E4%BA%A9%E7%9A%84)
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无语.i hope you will help me.药草种植专业户张伯去年种植了茵陈,亩产量为200千克,每千克售价为15元,今年改良药种,使亩产量提高了40千克,每千克售价上升了5元,这样,张伯在种植面积减少了10亩的
无语.i hope you will help me.
药草种植专业户张伯去年种植了茵陈,亩产量为200千克,每千克售价为15元,今年改良药种,使亩产量提高了40千克,每千克售价上升了5元,这样,张伯在种植面积减少了10亩的情况下,依然使总收入提高了10%,求张伯去年种植茵陈的面积.
无语.i hope you will help me.药草种植专业户张伯去年种植了茵陈,亩产量为200千克,每千克售价为15元,今年改良药种,使亩产量提高了40千克,每千克售价上升了5元,这样,张伯在种植面积减少了10亩的
设去年种了X亩,由于总收入提高了10%,即今年总收入是去年的(100+10)%
x*200*15*(100+10)%=(x-10)*(200+40)*(15+5)
解得X=32亩
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