新GRE数学考试基本概念的实例解析如下,希望能够对您的GRE考试有所帮助。
标准方差 standard deviation
描述一组数相对于算术平均值的波动幅度
方差variance=标准方差2
其他零散词汇和概念
due:正方向
due west 正西
altitude:三角形、多边形的高
凸n边形内角和=180
inscribe:内切、内接
circumscribe:外切、外接
dimension:尺寸
revolution:转数 RPM
角速度和线速度换算:
w=v/r=v360/2r
角速度和线速度比例关系:
两物体旋转的角速度相同时,其边缘线速度之比等于它们半径之正比;两物体旋转的线速度相同时,其角速度之比等于它们半径之反比
利息interest
单利:simple interest
复利: compound interest
例题.本金A,年利率k%,按月计复利,一年后本息合计为多少?
A12
平时,建议大家一定要注意GRE数学基本概念的加强理解,因为无论GRE数学考试怎样的题目都是从最基本的概念中演变而来的。
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