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Three variables, x, y, and z, in a scientific experiment are related by the equation $$z=x^{2}y$$. In the experiment, if the value of x decreases by 40 percent while the value of y increases by 50 percent, what is the percent decrease in the value of z?
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· 相关考点
2.4.4 增/降幅百分比的计算
2.4.4 增/降幅百分比的计算
以上解析由 考满分老师提供。
