素数

by Jason Marshall A few months ago we talked about how to multiply fractions. Now that were comfortable doing this and weve talked about a few applications of multiplying fractions such as how to convert units and how to estimate how fast someone is

发表于:2018-12-07 / 阅读(51) / 评论(0) 分类 数学英语

by Jason Marshall Sometimes statistics* seems magical. Of course, there isnt really anything magical going onbut the fact that statistical methods can be used to pull useful information out of a hatful of messy data is, at a minimum, remarkable. And,

发表于:2018-12-07 / 阅读(64) / 评论(0) 分类 数学英语

by Jason Marshall In the last article, Is Multiplication Repeated Addition? we talked about what it really means to multiply two numbers. We found that the conventional meaning of multiplicationrepeated additionbreaks down when multiplying fractions,

发表于:2018-12-07 / 阅读(46) / 评论(0) 分类 数学英语

图片1 图片2 by Jason Marshall Do you frequently find yourself at restaurants with friends fumbling to figure out how to split the bill and calculate the tip? Have you ever resorted to seeking advice from your smart phone? Dont worry, we all have.

发表于:2019-01-02 / 阅读(123) / 评论(0) 分类 数学英语

我们知道习惯用语不仅为语言增添色彩,而且还推陈出新;它们始终反映时代的变迁。人们爱创造并应用习惯用语,而押韵的那种尤其得到人们的青睐,可能是因为那种习惯用语琅琅上口,容

发表于:2019-01-14 / 阅读(74) / 评论(0) 分类 美国习惯用语

By Steve Herman Thimpu, Bhutan 18 July 2007 Bhutan's prime minister and six other members of his cabinet are set to resign within weeks. Prime Minister Khandu Wangchuk, in a VOA interview, confirmed the decision to step down so that he and others can

发表于:2019-02-11 / 阅读(108) / 评论(0) 分类 2007年VOA标准英语(七月)