根据题意列二元一次方程组某班为奖励在校运动会上取得较好成绩的运动员,花了400元钱购买甲、乙两种奖品共30件,其中甲种奖品每件16元,乙种奖品每件12元,求甲乙两种奖品各买多少件?若设
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![根据题意列二元一次方程组某班为奖励在校运动会上取得较好成绩的运动员,花了400元钱购买甲、乙两种奖品共30件,其中甲种奖品每件16元,乙种奖品每件12元,求甲乙两种奖品各买多少件?若设](/uploads/image/z/9322077-21-7.jpg?t=%E6%A0%B9%E6%8D%AE%E9%A2%98%E6%84%8F%E5%88%97%E4%BA%8C%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%E7%BB%84%E6%9F%90%E7%8F%AD%E4%B8%BA%E5%A5%96%E5%8A%B1%E5%9C%A8%E6%A0%A1%E8%BF%90%E5%8A%A8%E4%BC%9A%E4%B8%8A%E5%8F%96%E5%BE%97%E8%BE%83%E5%A5%BD%E6%88%90%E7%BB%A9%E7%9A%84%E8%BF%90%E5%8A%A8%E5%91%98%2C%E8%8A%B1%E4%BA%86400%E5%85%83%E9%92%B1%E8%B4%AD%E4%B9%B0%E7%94%B2%E3%80%81%E4%B9%99%E4%B8%A4%E7%A7%8D%E5%A5%96%E5%93%81%E5%85%B130%E4%BB%B6%2C%E5%85%B6%E4%B8%AD%E7%94%B2%E7%A7%8D%E5%A5%96%E5%93%81%E6%AF%8F%E4%BB%B616%E5%85%83%2C%E4%B9%99%E7%A7%8D%E5%A5%96%E5%93%81%E6%AF%8F%E4%BB%B612%E5%85%83%2C%E6%B1%82%E7%94%B2%E4%B9%99%E4%B8%A4%E7%A7%8D%E5%A5%96%E5%93%81%E5%90%84%E4%B9%B0%E5%A4%9A%E5%B0%91%E4%BB%B6%3F%E8%8B%A5%E8%AE%BE)
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