Текст песни Tom Lehrer - New Math, слова песни Tom Lehrer

Текст песни Tom Lehrer - New Math

Tom Lehrer - New Math слова песни

Some of you who have small children may have perhaps been put in the embarrassing position of being unable to do your childs arithmetic homework because of the current revolution in mathematicsHing known as the new math. so as a public service here tonight I thought I would offer a brief lesson in the new math. tonight were going to cover subtraction. this is the first room Ive workR a while that didnt have a blackboard so we will have to make due with more primitive visual aids, as they say in the "ad biz." consider the following subtraction problem, which I wiT up here: 342 - 173.Now remember how we used to do that. three from two is nine; carry the one, and if youre under 35 or went to a private school you say seven from three is six, but if youre over 35 and went toLic school you say eight from four is six; carry the one so we have 169, but in the new approach, as you know, the important thing is to understand what youre doing rather than to get the rightEr. heres how they do it now.You cant take three from two,Two is less than three,So you look at the four in the tens place.Now thats really four tens,So you make it three tens,Regroup, and you change a ten to ten ones,And you add them to the two and get twelve,And you take away three, thats nine.Is that clear? Now instead of four in the tens placeYouve got three,cause you added one,That is to say, ten, to the two,But you cant take seven from three,So you look in the hundreds place.From the three you then use oneTo make ten ones...(and you know why four plus minus onePlus ten is fourteen minus one? cause addition is commutative, right.)And so you have thirteen tens,And you take away seven,And that leaves five...Well, six actually.But the idea is the important thing.Now go back to the hundreds place,And youre left with two.And you take away one from two,And that leaves...? Everybody get one? Not bad for the first day!Hooray for new math,New-hoo-hoo-math,It wont do you a bit of good to review math.Its so simple,So very simple,That only a child can do it!Now that actually is not the answer that I had in mind, because the book that I got this problem out of wants you to do it in base eight. but dont panic. base eight is just like base ten reallyYoure missing two fingers. shall we have a go at it? hang on.You cant take three from two,Two is less than three,So you look at the four in the eights place.Now thats really four eights,So you make it three eights,Regroup, and you change an eight to eight ones,And you add them to the two,And you get one-two base eight,Which is ten base ten,And you take away three, thats seven.Now instead of four in the eights placeYouve got three,cause you added one,That is to say, eight, to the two,But you cant take seven from three,So you look at the sixty-fours."sixty-four? how did sixty-four get into it? " I hear you cry.Well, sixty-four is eight squared, dont you see? (well, you ask a silly question, and you get a silly answer.)From the three you then use oneTo make eight ones,And you add those ones to the three,And you get one-three base eight,Or, in other words,In base ten you have eleven,And you take away seven,And seven from eleven is four.Now go back to the sixty-fours,And youre left with two,And you take away one from two,And that leaves...? Now, lets not always see the same hands.One, thats right!Whoever got one can stay after the show and clean the erasers.Hooray for new math,New-hoo-hoo-math,It wont do you a bit of good to review math.Its so simple,So very simple,That only a child can do it!Come back tomorrow night. were gonna do fractions.Now Ive often thought Id like to write a mathematics text book because I have a title that I know will sell a million copies. Ill call it tropic of calculus.

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Tom Lehrer

New Math

Текст песни Tom Lehrer - New Math

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