某种商品的市场需求量D(千件)和单价P(元/件)满足需求关系1/3D+P-17/3=01)当单价为4元时,市场需求量是多少?2.若出售一件商品要找原单价4元,一件的基础上收税金一元,那么需求量有什么变
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![某种商品的市场需求量D(千件)和单价P(元/件)满足需求关系1/3D+P-17/3=01)当单价为4元时,市场需求量是多少?2.若出售一件商品要找原单价4元,一件的基础上收税金一元,那么需求量有什么变](/uploads/image/z/6134269-13-9.jpg?t=%E6%9F%90%E7%A7%8D%E5%95%86%E5%93%81%E7%9A%84%E5%B8%82%E5%9C%BA%E9%9C%80%E6%B1%82%E9%87%8FD%EF%BC%88%E5%8D%83%E4%BB%B6%EF%BC%89%E5%92%8C%E5%8D%95%E4%BB%B7P%EF%BC%88%E5%85%83%2F%E4%BB%B6%EF%BC%89%E6%BB%A1%E8%B6%B3%E9%9C%80%E6%B1%82%E5%85%B3%E7%B3%BB1%2F3D%2BP-17%2F3%3D01%EF%BC%89%E5%BD%93%E5%8D%95%E4%BB%B7%E4%B8%BA4%E5%85%83%E6%97%B6%2C%E5%B8%82%E5%9C%BA%E9%9C%80%E6%B1%82%E9%87%8F%E6%98%AF%E5%A4%9A%E5%B0%91%3F2.%E8%8B%A5%E5%87%BA%E5%94%AE%E4%B8%80%E4%BB%B6%E5%95%86%E5%93%81%E8%A6%81%E6%89%BE%E5%8E%9F%E5%8D%95%E4%BB%B74%E5%85%83%2C%E4%B8%80%E4%BB%B6%E7%9A%84%E5%9F%BA%E7%A1%80%E4%B8%8A%E6%94%B6%E7%A8%8E%E9%87%91%E4%B8%80%E5%85%83%2C%E9%82%A3%E4%B9%88%E9%9C%80%E6%B1%82%E9%87%8F%E6%9C%89%E4%BB%80%E4%B9%88%E5%8F%98)
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