gmat数学词汇精选

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1、GMAT数学词汇精选A．算术1.整数integer整数even偶数odd奇数divisor除数realnumber实数positivewholenumber正整数negativewholenumber负整数consecutiveinteger连续的整数quotient商multiple倍数remainder余数primenumber质数，素数primefactor质因子，质因数compositenumber合数 2.分数commonfactor公因子reciprocal/inverse倒数mixednumber带分数improperfracti

2、on假分数properfraction真分数vulgarfraction/commonfraction普通分数simplefraction简分数complexfractionNumeratordenominator繁分数分子分母 3.小数decimalsystem十进制digit位unitsdigit个位数tensdigit十位数tenthsunit十分位3-digitnumber三位数decimalpoint小数点decimalfraction纯小数infinitedecimal无穷小数recurringdecimal循环小数 4.实数abs

3、olutevalue绝对值nonzeronumber非零数naturalnumber自然数positivenumber正数negativenumber负数nonnegative非负的rational有理数irrational(number)无理数 5.比例commonratio公比directproportion正比percent百分比 6.幂和根product乘积base/power底数/指数squareroot平方根cuberoot立方根commonlogarithm常用对数radicalsign/rootsign根号cardinal基数o

4、rdinal序数 7.集合subset子集union合集，并集intersection交集propersubset真子集solutionset解集 8.描述统计学average平均数median中数mode众数（在一系列数中出现最多的数）arithmeticmean算术平均数weightedaverage加权平均数geometricmean几何平均数maximum最大值minimum最小值range值域（一系列数中最大值减最小值）dispersion差量，离差standarddeviation标准方差distribution（频数或频率）分布f

5、requencydistribution频数分布normaldistribution正态分布 9.计算方法factorialnotation阶乘permutations排列combination组合 10.数学运算add/plus加subtract/minus减multiply/times乘divide除difference差sum和total1总数（用在加法中，相当于+）；2总计（用于减法中，相当于-）division1除；2部分divisible可被整除的dividedevenly被整除dividend被除数 B．代数式、方程及不等式coe

6、fficient系数numericalcoefficient数字系数literalcoefficient字母系数term项constantterm常数项quadratic二次方程equivalentequation同解方程，等价方程linearequation线性方程solution（方程的）解inequality不等式expression表达式linear一次的，线性的factorization因数分解function函数trigonometricfunction三角函数inversefunction反函数complementaryfunct

7、ion余函数variable变量domain域sequence数列arithmeticprogression等差数列geometricprogression等比数列 C．几何1.直线和垂线alinesegment线段endpoint端点midpoint中点arightangle直角perpendicular垂线perpendicularlines垂直线perpendicularbisector垂直平分线parallellines平行线bisect平分 2.相交线和角verticalangle对顶角astraightline直线acuteangl

8、e锐角obtuseangle钝角vertexangle顶角roundangle周角straightangle平角includedangle夹角alte