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have a glass of salt water.the first water,get the concentration of 3% ,the second plus the same

分类: 作业答案 • 2021-12-27 15:05:59

问题描述：

have a glass of salt water.the first water,get the concentration of 3% ,the second plus the same
amount of water ,get the concentration of 2%.the third plus the same amount of water again,the concentration is?

答

有一个玻璃的盐水,最初的水,的说道3%的浓度,第二个加相同的

have a glass of salt water.the first water,get the concentration of 3% ,the second plus the same

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