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加减乘除英语表示法1.“加”用plus,and或add表示;“等于”用is,make,equal等词表示。2+3=可表示为:Howmuchistwoplusthree2+3=5Twoplusthreeisfive.Twoandthreeisequaltofive.Twoandthreemakesfive.Twoaddedtothreeequalsfive.Ifweaddtwoto/andthree,wegetfive.二加三等于五2.“减”用minus或takefrom表示10-6=Howmuchistenminussix10-6=4Tenminussixisfour.Takesixfromtenandtheremainderisfour.Six(taken)fromtenisfour.十减去六等于四3.“乘”用time(动词)或multiply表示3X4=Howmuchisthreetimesfour3X4=12Threetimesfouris/aretwelve.Multiplythreebyfour,wegettwelve.Threemultipliedbyfourmakestwelve.三乘以四等于十二4.“除”用divide的过去分词形式表示16÷4=Howmuchissixteendividedbyfour16÷4=4Sixteendividedbyfourisfour.Sixteendividedbyfourequals/gives/makesfour.十六除以四等于四。五、分数表示法1.分数是由基数词和序数词一起来表示的。基数词作分子,序数词作分母,除了分子是“1”以外,其它情况下序数词都要用复数形式。3/4threefourths或threequarters1/3onethird或athird24/25twenty-fourtwenty-fifths31/4threeandonefourth或threeandonequarter1/2ahalf1/4onequarter或aquarter11/2oneandahalf11/4oneandaquarter2.当分数后面接名词时,如果分数表示的值大于1,名词用复数;小于1,名词用单数。11/2hours一个半小时(读作oneandahalfhours)23/4meters二又四分之三米(读作twoandthree-fourthsmeters)4/5meter五分之四米5/6inch六分之五英寸3.表示“n次方”的说法:指数用序数词,底数用基数词。10的7次方theseventhpoweroften(tentotheseventhpower)6的10次方thetenthpowerofsix(sixtothetenthpower)
本文标题:加减乘除英语表示法
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