1.有关数学运算
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 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
2.有关集合
union并集 proper subset真子集 solution set解集
3. 有关代数式、方程和不等式
algebraic term代数项 like terms,similar terms同类项 numerical coefficient数字系数 literal coefficient字母系数 inequality不等式 triangle inequality三角不等式 range值域 original equation原方程 equivalent equation同解方程,等价方程 linear equation线性方程
4. 有关分数和小数
proper fraction真分数 improper fraction假分数 mixed number带分数 vulgar fraction,common fraction普通分数 simple fraction简分数 complex fraction繁分数 numerator分子 denominator分母 common denominator公分母 quarter四分之一 decimal fraction纯小数 infinite decimal无穷小数 recurring decimal循环小数 tenthsunit十分位
5.基本数学概念
arithmetic mean算术平均值 weighted average加权平均值 geometric mean几何平均数 exponent指数,幂 base乘幂的底数,底边 cube立方数,立方体 square root平方根 cuberoot立方根 common logarithm常用对数 digit数字 constant常数 variable变量 inversefunction反函数 complementary function余函数 linear一次的,线性的 factorization因式分解 absolute value绝对值,e.g.|-32|=32 round off四舍五入
6. 有关数论
natural number自然数 positive number正数 negative number负数 odd integer,odd number 奇数 even integer,even number偶数 integer,whole number整数 positive whole number正整数 negative whole number负整数 consecutive number连续整数 rea lnumber,rational number实数,有理数 irrational无理数 inverse倒数 composite number合数 e.g.4,6,8,9,10,12,14,15 prime number质数e.g.2,3,5,7,11,13,15注意:所有的质数都是奇数,但奇数不一定是质数reciprocal倒数 common divisor公约数 multiple倍数 common multiple公倍数 factor因子 common factor公因子 ordinaryscale,decimalscale十进制 nonnegative非负的 tens十位 units个位 mode众数 median中数 common ratio公比
7. 数列
arithmetic progression等差数列 geometric progression等比数列
8. 其它
approximate近似 clockwise顺时针方向 cardinal基数 ordinal序数directproportion正比 distinct不同的 estimation估计,近似 parentheses括号 proportion比例 permutation排列 combination组合 table表格 trigonometric function三角函数 unit单位,位
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