GRE数学名词解释.doc

文档介绍：一,,plus加subtract减difference差multiply,times乘product积divide除divisible可被整除的dividedevenly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radicalsign,rootsign根号roundto四舍五入propersubset真子集solutionset解集3.有关代数式、方程和不等式algebraicterm代数项liketerms,similarterms同类项numericalcoefficient数字系数literalcoefficient字母系数inequality不等式triangleinequality三角不等式range值域originalequation原方程equivalentequation同解方程,等价方程linearequation线性方程(x+6=22)4.有关分数和小数properfraction真分数improperfraction假分数mixednumber带分数monfraction普通分数plexfraction繁分数numerator分子denominator分母(mondenominator(最小)公分母quarter四分之一decimalfraction纯小数infinitedecimal无穷小数recurringdecimal循环小数tenthsunit十分位arithmeticmean算术平均值weightedaverage加权平均值geometricmean几何平均数exponent指数,幂base乘幂的底数,底边cube立方数,立方体squareroot平方根cuberoot立方根commonlogarithm常用对数digit数字constant常数plementaryfunction余函数linear一次的,线性的factorization因式分解absolutevalue绝对值,.|-32|=32roundoff四舍五入6.有关数论naturalnumber自然数positivenumber正数negativenumber负数oddinteger,oddnumber奇数eveninteger,evennumber偶数integer,wholenumber整数positivewholenumber正整数negativewholenumber负整数consecutivenumber连续整数realnumber,rationalnumber实数,有理数irrational(number)无理数,6,8,9,10,12,14,15……,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commondivisor公约数mult