資源描述：
《數(shù)學(xué)各類運算的英文表達》由會員上傳分享，免費在線閱讀，更多相關(guān)內(nèi)容在教育資源-天天文庫。
1、數(shù)學(xué)符號面面觀：各類運算的英文表達小數(shù)、分?jǐn)?shù)、百分?jǐn)?shù)1.小數(shù)表示法小數(shù)點左邊的數(shù)通常按基數(shù)詞讀，若為三位以上的數(shù)，也可按編碼式讀法讀出，即將數(shù)字單個讀出；小數(shù)點右邊的數(shù)通常按編碼式讀法單個讀出。如：6.86sixpointeightsix14.15fourteenpointonefive345.456threefourfivepointfourfivesix或threehundredandforty－fivepointfourfivesix小數(shù)中“0”的讀法：“0”在小數(shù)中通常讀作nought（英）或zero（美），也可讀作字母o。如：0.0
2、8（nought）pointnoughteight或（zero）pointzeroeight9.07ninepointoseven2.百分?jǐn)?shù)表示法百分?jǐn)?shù)中的百分號%讀作percent。如：6%讀作sixpercent0.6%讀作（nought）pointsixpercent500%讀作fivehundredpercent3.倍數(shù)表示法倍數(shù)表示方法很多，如：Thisroomisfourtimesasbigasmine.這個房間是我房間的四倍。Thisroomisthreetimeslargerthanthatone.這個房間比那個房間大三倍。T
3、heoutputofcoalhasdoubled.煤的產(chǎn)量增加了一倍。MyauntisasoldagainasIam.我姑姑年齡比我大一倍。Productivityisincreasedthreefold.生產(chǎn)效率提高了兩倍。ThevolumeoftheSunisabout1,300,000timesthatoftheEarth.太陽的體積約為地球的1300000倍。4.分?jǐn)?shù)表示法(1)較小分?jǐn)?shù)的一般讀寫方法。如：1/3one-third2/3two-thirds3/5three-fifths(2)較復(fù)雜分?jǐn)?shù)的簡明讀寫方法。如：22/9twe
4、nty-twooverninea/baoverb或adividedbyb43/97forty-threeoverninety-seven(3)整數(shù)與分?jǐn)?shù)之間須用and連接。如：fourandahalfnineandtwofifths(4)分?jǐn)?shù)用作前置定語時，分母要用單數(shù)形式。注意下列寫法與讀法。如：aone-thirdmile1/3英里athree-quartermajority3/4的多數(shù)加、減、乘、除表示法1．加：用and,plus,addedto等詞表示。2＋4＝6可譯為：Twoandfourissix.Twoplusfourisequ
5、altosix.Twoaddedtofourequalssix.Twoandfourmakessix.Twoplusfourwillbesix.Ifyouaddtwotofour,yougetsix.2．減：用minus,takenfrom,subtractedfrom等表示。8－3=可譯為：Eightminusthreeisfive.Eightminusthreeisequaltofive.Threetakenfromeightleavesfive.Threesubtractedfromeightleavesfive.Takethreefr
6、omeightandtheremainderisfive.3．乘：用multiply...by.../multipliedby/time等表示。3×5=15可譯為：Multiplythreebyfiveis(gives)fifteen.Threemultipliedbyfiveisfifteen.Multiplythreebyfive,yougetfifteen.Threetimesfiveis(makes,willbe,equals,isequalto)fifteen.4．除：用divide...by.../dividedby/divide
7、...into.../into等表示。24÷8=3可譯為：Twenty-fourdividedbyeightmakes(is,equals)three.Twenty-fourdividedbyeightisequaltothree.Eightintotwenty-fourgoesthreetimes.Divideeightintotwenty-four,andyougetthree.Dividetwenty-fourbyeight,andyougetthree.各類運算的讀法6+5＝11Sixplusfiveiseleven或Sixandfi
8、veiseleven.11-6＝5Elevenminussixisfive.或Sixfromelevenisfive.4×5＝20Fourmultipliedbyf
