GMAT数学辅导：算术知识点全解析
七.数的幂和根：powers and roots of numbers
x n意味着the nth power of x。例如：64 is the 6th power of 2。2 is a 6th root of 64。
立方根是指cube root。
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这家法国公司，专门为胖美眉生产高端服装！
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One year ago, I was in great trouble. I worked hard 阅读理解答案
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Every year, billions of kilograms of fresh produce are wasted 阅读理解答案
北师大女生宿舍安装人脸识别系统