gmat数学词汇ppt版gmat数学术语

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1、GMAT数学术语MathTerms:2010-4-30代数-数论naturalnumber自然数positivenumber正数negativenumber负数oddinteger/number奇数eveninteger/number偶数Integer/wholenumber整数positivewholenumber正整数negativewholenumber负整数consecutivenumber连续整数real/rationalnumber实数,有理数Irrationalnumber无理数inverse/reciprocal倒数mode众数compositen

2、umber合数primenumber质数commondivisor公约数multiple倍数commonmultiple公倍数(prime)factor(质)因子commonfactor公因子commonratio公比nonnegative非负的mean平均数median中值代数-基本数学概念ALGEBRA代数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

3、数divisor因子,除数,公约数cardinal基数ordinal序数constant常数variable变量inversefunction反函数complementaryfunction余函数linear一次的，线性的factorization因式分解absolutevalue绝对值roundto/off,tothenearest四舍五入difference差product积quotient商remainder余数代数-基本运算,小数,分数Add/plus加subtract减Multiply/times乘divide除divisible可被整除的divided

4、evenly被整除dividend被除数，红利factorial阶乘power乘方radical/rootsign根号decimalfraction纯小数infinitedecimal无穷小数recurringdecimal循环小数properfraction真分数improperfraction假分数mixednumber带分数vulgar/commonfraction普通分数simplefraction简分数complexfraction繁分数numerator分子denominator分母commondenominator公分母quarter四分之一ordin

5、ary/decimalscale十进制tens十位,units个位tenthsunit十分位代数-方程,集合,数列等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/等价方程linearequation线性方程union并集propersubset真子集solutionset解集ari

6、thmeticprogression(sequence)等差数列geometricprogression(sequence)等比数列approximate近似(anti)clockwise(逆)顺时针方向directproportion正比parentheses括号proportion比例permutation排列combination组合trigonometricfunction三角函数几何-三角planegeometry平面几何plane平面alternateangle内错角correspondingangle同位角verticalangle对顶角supp

7、lementaryangles补角complementaryangle余角adjacentangle邻角rightangle直角roundangle周角straightangle平角includedangle夹角centralangle圆心角interiorangle内角exteriorangle外角acuteangle锐角obtuseangle钝角trigonometry三角学equilateraltriangle等边三角形s