本文为大家准备了GRE数学基本概念+实例解析(5),便于考生GRE考试备考。
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。
Hand to mouth?
Jesus bird?
Preoccupied?
Linear thinking
No axe to grind?
In a funk?
Full circle?
Cherry picking?
Open season?
Brick wall?
Goodness knows?
Butter them up?
Not her cup of tea?
Their side of the bargain?
国内英语资讯:China to enhance CPC leadership in cultural organizations
西班牙奇葩用餐时间 都是时区惹的祸
Sitting on their hands?
体坛英语资讯:Djokovic, Nadal struggle in Madrid Open
Take a backseat to nothing
Flipping the coin?
May to December couples?
国内英语资讯:Political advisors discuss waste disposal solutions
That's the deal
国内英语资讯:Economic Watch: Regulation, monetary cocktail to keep liquidity stable
Rocket science
国内英语资讯:Chinese, Vietnamese presidents hold talks on ties
The bad apples excuse
From the blue?
Less than meets the eye
遣返泰难民营内缅甸难民面临挑战
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