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1、FormulalMathematics A statement,especially an equation,of a fact,rule,principle,or other logical relation.lChemistry A symbolic representation of the composition or of the composition and structure of a compound.2/4/20231Mathematical Expressionstconstantsl2/3 two thirdsl2:3 two to threel3.76 three p
2、oint seven sixl4 four and three fourthsl386 three eighty-sixl2%two percentl5 five per mill2/4/20232Mathematical Expressionstoperationsl+plus(positive)l-minus(negative)l plus or minusl multiplied by,times l divided by,overl map into2/4/20233product 积divide 除除 divisible 可被整除的可被整除的divided evenly 被整除被整除
3、 dividend 被除数，被除数，红利利 divisor 因子，除数因子，除数 quotient 商商 remainder 余数余数 factorial 阶乘乘power 乘方乘方 radical sign,root sign 根号根号round,round off,to the nearest 四舍五入四舍五入union 并集并集 intersection 交集交集proper subset 真子集真子集solution set 解集解集2/4/20234inequality 不等式不等式 triangle inequality 三角不等式三角不等式 equivalent equation
4、 同解方程，等价方程同解方程，等价方程linear equation 线性方程性方程 numerator 分子分子denominator 分母分母(least)common denominator(最小最小)公分母公分母 arithmetic mean 算算术平均平均值weighted average 加加权平均平均值 geometric mean 几何平均数几何平均数 exponent 指数，指数，幂 2/4/20235Mathematical Expressionstrelationsl=equal,beequaltol beapproximatelyequaltola baisident
5、icallyequaltobla baisnotequaltobla baislessthanorequaltobla baisgreaterthanorequaltoblx x approachesinfinity2/4/20236Mathematical Expressionstrelationslx2thesquareofxlx3thecubeofxlnthroot(of)xllgxlogxtobase10;the logarithm of x,with 10 as the basecommonlogarithmllnx logxtobasee;naturallogarithmlx plusyallsquared2/4/20237Mathematical Expressionstrelationslxxprimelxxdoubleprimeldy/dx(thefirst)derivativeofywithrespecttoxlf(x)integralof f(x)lab f(x)integralof f(x)from a to b2/4/20238