T: Now pick two number between one and ten, including decimal numbers and fractions, then add, subtract, multiply or divide them as you like.

现在从1到10之间挑选两个数，包括小数和分数，然后随意进行加、减、乘、除运算。

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"The number-one mistake for people just getting started is pricing [incorrectly]," says William T. Lasley, a guide for arts and crafts business for About.com.

“很多人犯的第一个错误就是在事业起步时制订了错误的价格”，William T. Lasley说（一个关于艺术品和手工艺品生意的指南来自About.com）。

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She derived another formula relating the number of folds possible in one direction (n) to the minimum possible length of material (l) and the material's thickness (t)

她推导出了另一个关于折叠次数（n）、现实的最小长度（l）以及材料厚度（t）的关系式。

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reached Number One on the Country chart. Although he didn't write the track, he says, "This song identifies who I am.

VOA: standard.2010.04.09

But when you solve the Schrodingerequation, you don't get just a set of solutions that are dependent upon one number.

但当你解薛定谔的方程式时，你没得到有一个统一答案的,一系列解决方法。

麻省理工公开课 - 固态化学导论课程节选

This is a pretty alarming number because the rates so high already, one can't imagine it going up by another third.

这个速率是如此之高,确实值得引起警惕,人们无法想象这个数字要增加1/3

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

He has a great character, he doesn't train like a number one, he always trains like a number two that wants to become number one, something that is very important to us.

BBC: Ospreys capture Bath prop Aaron Jarvis

The toughest part: All this creative engineering, however exciting it may be for consumers, can't overcome Sony's number one headache: high costs.

FORBES: Godzilla Needs Batteries

They made history as the first Irish band to have a UK number one hit with Rat Trap and followed that up with another number one with I Don't Like Mondays, which was a hit around the world.

BBC: Bob Geldof