2013gre考试:gre数学考试有哪些题型?
gre数学考试形式 2 sections 30 minutes for each section 30 questions for each section gre数学考试题型 1-15 比较大小 Quantitative Comparison A. the quantity in Column A is greater. B. the quantity in Column B is greater. C. the two quantities are equal D. the relationship cannot be determined from the information given. 16-20 计算题 Problem Solving 21-25 图表题 Graphic Analysis 26-30 计算题 Problem Solving [ 查看全文 ]2013gre考试:gre数学考试有哪些题型?的相关文章
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standard variation 一组数中,每个数与平均数之差的平方和,再除以这组数的个数n 例: standard variation of 0,2,5,7,6 is: _ 2 2 2 2 2_ |_(0-4) +(2-4)+(5-4)+(7-4)+(6-4)_|/5=6.8...[ 查看全文 ]