单词	average
释义	Average A calculated "central" value of a set of numbers. To calculate it: add up all the numbers, then divide by how many numbers there are. Example: what is the average of 2, 7 and 9? Add the numbers: 2 + 7 + 9 = 18 Divide by how many numbers (i.e. we added 3 numbers): 18 ÷ 3 = 6 So the average is 6 (Also called the Arithmetic Mean.)
随便看	bisector bit bivariate data bond boolean algebra borrow (money) borrowing (numbers) boundary bounds box box and whisker plot brackets breadth budget business plan byte calculate calculator calculus calendar cancel capacity capital gain capital loss cardinal number

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