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1、[GMAT数学]GMAT必背单词之基本数学概念名词Percapita每人Decreaseto减少到Decreaseby减少了Brace双Cardinal基数Cent美分Nickel五美分Dime一角Penny—美分Downpayment定金，预付金Simpleinterest单利Compoundedinterest复利Foot英尺Dozen打Gross=12dozen罗Gallon=4quart加I仑Fahrenheit华氏温度Depth深度Discount折扣Cumulativegraph累计图Interest利息Margin利润Profit利润Retailprice零
2、售价Pint品脱Score二十Commonyear平年Intercalaryyear(leapyear)闻年Quarter夸脱代数ALGEBRA1.数论naturalnumber口然数positivenumber正数negativenumber负数oddinteger,oddnumber奇数eveninteger,evennumber偶数integer,wholenumber整数positivewholenilmber正整数negativewholenumber负整数consecutivenumber连续整数realnumber,rationalnumber实数,右理数i
3、rrational(number)无理数inverse倒数compositenumber合数e.g.4,6,8,9,10,12,14,15...益思商科留学招生官创办•专注商科primenumber质数e.g.2,3,5,7,11,13,15...reciprocal倒数commondivisor公约数multiple倍数(minimum)commonmultiple(最小)公倍数(prime)factor(质)因子commonfactor公因子ordinaryscale,decimalscale十进制nonnegative非负的tens十位units个位mode众数me
4、an平均数median中值commonratio公比1.基本数学概念arithmeticmean算术平均值weightedaverage加权平均值geometricmean几何平均数exponent指数，¥base乘幕的底数，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variable变量inversefunction反函数complementaryfunction余函数linear—次的，线性的factorization因式分解absolutevalue绝对值，e.g.
5、I-32I=32roundoff四舍五入数学2.基本运算add,plus加Isubtract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，公约数quotient商remainder余数factorial阶乘power乘方radicalsign,rootsign根号roundto四舍五入tothenearest四舍五入3.代数式，方程，不等式algebraicterm代数项liketerms,similarterms同类项n
6、umericalcoefficient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(e.g.5x+6=22)4.分数，小数properfraction真分数improperfraction彳枝分数mixednumber带分数vulgarfraction,commonfraction普通分数simplefraction简分数complexfraction繁
7、分数numerator分子denominator分母(least)commondenominator(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5.集合union并集propersubset真子集solutionset解集6.数列arithmeticprogression(sequenee)等香数列geometricprogression(sequenee)等比数列7.其它approximate近
