GRE数学词汇

GRE

代数部分

1.有关数学运算 add，plus加 subtract减 difference差 multiply, times乘 product积 divide除

divisible可被整除的 divided evenly被整除 dividend被除数，红利 divisor因子，除数 quotient商

remainder余数 factorial阶乘 power乘方

radical sign, root sign根号 round to四舍五入 to the nearest四舍五入 2.有关集合 union并集

proper subset真子集 solution set解集

3.有关代数式、方程和不等式 algebraic term代数项

like terms, similar terms同类项 numerical coefficient数字系数 literal coefficient字母系数 inequality不等式

triangle inequality三角不等式 range值域

original equation原方程

equivalent equation同解方程，等价方程 linear equation线性方程(e.g.5x+6=22) 4. 有关分数和小数 proper fraction真分数 improper fraction假分数 mixed number带分数

vulgar fraction，common fraction普通分数 simple fraction简分数 complex fraction繁分数 numerator分子 denominator分母

(least)common denominator(最小)公分母 quarter四分之一

decimal fraction纯小数 infinite decimal无穷小数 recurring decimal循环小数 tenths unit十分位 5. 基本数学概念 arithmetic mean算术平均值 weighted average加权平均值 geometric mean几何平均数 exponent指数，幂 base乘幂的底数,底边 cube立方数，立方体 square root平方根 cube root立方根

common logarithm常用对数 digit数字 constant常数 variable变量

inverse function反函数

complementary function余函数 linear一次的，线性的 factorization因式分解

absolute value绝对值，e.g.｜-32｜=32 round off四舍五入 6. 有关数论

natural number自然数 positive number正数 negative number负数

odd integer, odd number 奇数 even integer, even number偶数 integer, whole number整数 positive whole number正整数 negative whole number负整数 consecutive number连续整数

real number, rational number实数,有理数 irrational(number)无理数 inverse倒数 composite number合数e.g.4,6,8,9,10,12,14,15……

prime number质数e.g.2,3,5,7,11,13,15……注意：所有的质数(2除外)都是奇数，但奇数不一定是质数

reciprocal倒数

common divisor公约数 multiple倍数

(least)common multiple(最小)公倍数 (prime)factor(质)因子 common factor公因子 

ordinary scale, decimal scale十进制 nonnegative非负的 tens十位 units个位 mode众数 median中数

common ratio公比 7. 数列