[网络] 正整数

数学英语 01 A Math Problem

by Jason Marshall Math is known for precision. Answers to problems are usually black-and-whiteright-or-wrongright? Its true that math is usually extremely precise, but ambiguity does occasionally creep in. Just like English, the language of math isnt

发表于:2018-12-07 / 阅读(41) / 评论(0)

数学英语

数学英语 22 What Are Sequences in Math?

by Jason Marshall In the last few articles, weve talked about fractions and percentages, and soon enough well see that these ideas naturally lead us into the world of decimal numbers. But before we head down that path, lets take a quick detour to tal

发表于:2019-01-02 / 阅读(97) / 评论(0)

数学英语

数学英语 03 How to Add Negative Integers

by Jason Marshall Todays article will walk you through the first steps of kicking your calculator dependency. This isnt something we can accomplish in a single article, so well be revisiting this topic periodically. Today, were kicking things off by

发表于:2019-01-02 / 阅读(104) / 评论(0)

数学英语

数学英语 17 What Are Fractions?

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(120) / 评论(0)

数学英语

VOA标准英语2009年-World AIDS Day - Ongoing Stigma Hinder

New UN research shows number of new AIDS cases decreasing worldwide, says HIV prevention programs are making the difference. But fear of HIV still shrouds the virus in secrecy, barring path to more comprehensive prevention Selah Hennessy | London 30

发表于:2019-02-12 / 阅读(45) / 评论(0)

VOA标准英语2009年(十二月)

VOA标准英语2009年-US Economy Showing More Positive Signs

By Michael Bowman Washington 08 October 2009 The U.S. economy is showing modest but welcome signs of life in employment and retail sales, adding to expectations of recovery from the longest and deepest recession of the post-World War II era. The num

发表于:2019-02-20 / 阅读(39) / 评论(0)

VOA标准英语2009年(十月)

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1-phosphofructaldolase

antithrombogenic polymer

application for credit