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时间:2019-10-08
《“加减乘除”及各种符号标点的英文表达》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、“加减乘除”及各种符号标点的英文表达数学符号Mathematicalsymbols01+plus加号;正号“1+1”读作:oneplusone02-minus['maɪnəs];negative['negətɪv]减号;负号“2-1”读作:twominusone“-3”读作:minusthree或negativethree“2-(-3)”读作:twominusnegativethree03±plus-minussign正负号“±1”读作:plusorminusone04×multiplied[’mʌltɪ’plaɪd]by;times乘
2、号“2×3”读作:twomultipliedbythree或twotimesthree05÷dividedby除号“4÷2”读作:fourdividedbytwo06=equals;isequalto等于号“1+1=2”读作:Oneplusoneequalstwo.或Oneplusoneisequaltotwo.07≠isnotequalto不等于号“a≠b”读作:aisnotequaltob08≌congruent['kɒŋgrʊənt]to全等(两个图形形状相同、大小相等)“△ABC≌△DEF”读作:TriangleABCiscon
3、gruenttoTriangleDEF.09≈approximatelyequalto约等于号“3×3≈10”读作:Threemultipliedbythreeisapproximatelyequaltoten.10isgreaterthan大于号“2>1”读作:Twoisgreaterthanone.12≮isnotlessthan不小于号“3≮2”读作:Threeisnotlessthantwo.13≯isnotgreaterthan不大于号“2≯4”
4、读作:Twoisnotgreaterthanfour.14≤islessthanorequalto小于或等于号“2≤3”读作:Twoislessthanorequaltothree.15≥isgreaterthanorequalto大于或等于号“5≥4”读作:Fiveisgreaterthanorequaltofour.16%percent百分之……“10%”读作:tenpercent17‰permill[mil];perthousand千分之……“10‰”读作:tenperthousand18∞infinity[ɪn'fɪnɪtɪ]无
5、限大号“-∞”读作:negativeinfinity19∝variesas与...成比例“X∝Y”读作:XvariesasY20√ ̄squareroot平方根“√ ̄16=4”读作:Thesquarerootofsixteenisfour.213√ ̄cuberoot立方根“3√ ̄27=3”读作:Thecuberootof27is3.22∵since;because因为“∵1+1=2”读作:becauseoneplusoneequalstwo23∴hence;therefore所以“∴1<2”读作:henceoneislessthantwo
6、24∠angle角“∠A”读作:angleA“∠A+∠B+∠C=180°”读作:ThemeasureofangleAplusangleBplusangleCequals180degrees.25⌒semicircle['semɪsɜːkl]半圆“⌒AB”读作:semicircleAB26⊙circle圆“⊙A”读作:circleA27○circumference[sə'kʌmf(ə)r(ə)ns]圆周“○=π×d”读作:Pimultipliedbydequalscircumference.28πpiconstant圆周率“π×d”读作:
7、pimultipliedbyd29△triangle三角形“△ABC”读作:triangleABCWhatistheareaoftriangleABC?求三角形ABC的面积。30⊥perpendicularto[,pɜːp(ə)n'dɪkjʊlə]垂直于“A⊥B”读作:AisperpendiculartoB.31//parallel['pærəlel]to平行于LineABisparalleltolineCD.32∪unionof并,合集“A∪B”读作:theunionofAandB33∩intersection[ɪntə'sekʃ(ə
8、)n]of交,通集“A∩B”读作:TheintersectionofAandB34∫theintegral[ˈɪntɪɡrəl]of……的积分“∫x”读作:theintegralofx35∑summatio
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