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gre数学考试在新gre考试当中增加了一些难度，但是gre考生也不要太紧张，只要把一些gre数学基本概念掌握好，解题时就一定能轻松应对。 数学各个数位的表达 个位：units,ones 个位以上的其他整数数位：基数词+S 例如：十位 tens 小数位：序数词+S 例如：十分位 tenths 例题：A worker numbered the pages of a book, with 1 on the first page. In numbering the page, he printed a total of 63 digits. A. the number of pages in the book B. 37 小数decimals repeating decimals 循环小数 terminating decimals 有限小数 round to the nearest 四舍五入 分数 fractions fractions=numerator/denominator The least common denominator 最小公分母 集合 set 例题.If 75 percent of a class are members of club A, 55 percent are members of club B, and 20 percent are not members of either club A or B, what percent are members of both A and B? A.10% B.20% C.30% D.50% E.60% 数列sequence/progression | 
