数学公式的英文读法

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1、数学公式的英文读法&数学英文词汇已有1985次阅读2008-9-2814:10

2、个人分类:数学天地

3、关键词:数学公式的英文读法&数学英文词汇1.Logic                exists              thereexistforall               forallpq                pimpliesq/ifp,thenqpq                pifandonlyifq/pisequivalenttoq/pandqareequivalent2.Sets        

4、        x∈A                xbelongstoA/xisanelement(oramember)ofAxA                xdoesnotbelongtoA/xisnotanelement(oramember)ofAAB                AiscontainedinB/AisasubsetofBAB                AcontainsB/BisasubsetofAA∩B                AcapB/AmeetB/AintersectionBA∪B  

5、              AcupB/AjoinB/AunionBAB                AminusB/thediferencebetweenAandBA×B                AcrossB/thecartesianproductofAandB3.Realnumbers                x+1                xplusonex-1                xminusonex±1                xplusorminusonexy            

6、    xy/xmultipliedbyy               (x-y)(x+y)                xminusy,xplusy               xy                xovery=                theequalssignx=5                xequals5/xisequalto5x≠5                x(is)notequalto5x≡y                xisequivalentto(oridenticalwith)

7、yx≡y                xisnotequivalentto(oridenticalwith)yx>y                xisgreaterthanyx≥y                xisgreaterthanorequaltoyx

8、  zeroislessthanorequaltoxislessthanorequalto1

9、x

10、                modx/modulusxx2                xsquared/x(raised)tothepower2x3                xcubedx4                xtothefourth/xtothepowerfourxn                xtothenth/xtothepowernx n                xtothe(power)min

11、usnx                (square)rootx/thesquarerootofxx3                cuberoot(of)xx4                fourthroot(of)xxn                nthroot(of)x(x+y)2                xplusyallsquared(xy)2                xoveryallsquaredn!                nfactorialx^                xhatx

12、¯                xbarx                  xtildexi                xi/xsubscripti/xsuffixi/xsubi∑i=1nai