《数学公式表达》PPT课件

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1、FormulaMathematicsAstatement,especiallyanequation,ofafact,rule,principle,orotherlogicalrelation.ChemistryAsymbolicrepresentationofthecompositionorofthecompositionandstructureofacompound.8/14/20211MathematicalExpressionsconstants2/3twothirds2:3twotothr

2、ee3.76threepointsevensix4¾fourandthreefourths386threeeighty-six2%twopercent5‰fivepermill8/14/20212MathematicalExpressionsoperations+plus(positive)-minus(negative)±plusorminusmultipliedby,timesdividedby,overmapinto8/14/20213product积divide除divisible可

3、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round,roundoff,tothenearest四舍五入union并集intersection交集propersubset真子集solutionset解集8/14/20214inequality不等式triangleinequality三角不等式equivalentequation同

4、解方程，等价方程linearequation线性方程numerator分子denominator分母(least)commondenominator(最小)公分母arithmeticmean算术平均值weightedaverage加权平均值geometricmean几何平均数exponent指数，幂8/14/20215MathematicalExpressionsrelations=equal,beequaltobeapproximatelyequaltoabaisidenticallyequ

5、altobabaisnotequaltobabaislessthanorequaltobabaisgreaterthanorequaltobxxapproachesinfinity8/14/20216MathematicalExpressionsrelationsx2thesquareofxx3thecubeofxnthroot(of)xlgxlogxtobase10;thelogarithmofx,with10asthebasecommonlogarithmlnxlogxtobasee

6、;naturallogarithmxplusyallsquared8/14/20217MathematicalExpressionsrelationsx'xprimex''xdoubleprimedy/dx(thefirst)derivativeofywithrespecttox∫f(x)integraloff(x)∫abf(x)integraloff(x)fromatob8/14/20218