小数百分数及倍数的读法VIP免费

小数百分数及倍数的读法(1)小数的读法小数点左边的数通常按基数词读，若为三位以上的数，也可按编码式读法读出，即将数字单个读出；小数点右边的数通常按编码式读法单个读出。如：6.86sixpointeightsix14.15fourteenpointonefive345.456threefourfivepointfourfivesix或threehundredandforty－fivepointfourfivesix(2)小数中“0”的读法“0”在小数中通常读作nought（英）或zero（美），也可读作字母o。如：0.08（nought）pointnoughteight或（zero）pointzeroeight9.07ninepointoseven2.百分数表示法百分数中的百分号％读作percent。如：6%读作sixpercent0.6%读作（nought）pointsixpercent500%读作fivehundredpercent3.倍数表示法倍数表示方法很多，如：Thisroomisfourtimesasbigasmine.这个房间是我房间的四倍。Thisroomisthreetimeslargerthanthatone.这个房间比那个房间大两倍。Theoutputofcoalhasdoubled.煤的产量增加了一倍。MyauntisasoldagainasIam.我姑姑年龄比我大一倍。Productivityisincreasedthreefold.生产效率提高了两倍。ThevolumeoftheSunisabout1,300,000timesthatoftheEarth.太阳的体积约为地球的1300000倍。4}加减乘除式的读法6+5＝11Sixplusfiveiseleven或Sixandfiveiseleven.11-6＝5Elevenminussixisfive.或Sixfromelevenisfive.4×5＝20Fourmultipliedbyfiveistwenty.或Fourtimesfiveistwenty.20÷4＝5Twentydividedbyfourisfive.或Fourintotwentygoesfive.15:5＝3Theratiooffifteentofiveisthree.32Threesquaredisnine.23Twocubediseight.24Thefourthpoweroftwoissixteen.X^(1/2)=YThesquarerootofXisY.X^(1/3)=YThecubicrootofXisY.a＞baismorethanb.a＜baislessthanb.a≈baapproximatelyequalstob.a≠baisnotequaltob.