奥数英语题单词归纳

1.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inverse倒数compositenumber合数primenumber质数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mean平均数median中值commonratio公比2.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,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,roundoff四舍五入数学3.基本运算add,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,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4.代数式,方程,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5.分数,小数properfraction真分数improperfraction假分数mixednumber带分数vulgarfraction,commonfraction普通分数simplefraction简分数complexfraction繁分数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6.集合union并集propersubset真子集soluti