[计] 整型数语法

数学英语 40 How to Divide Fractions

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(182) / 评论(0)

数学英语

数学英语 41 What are Statistics and Estimators?

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(186) / 评论(0)

数学英语

数学英语 34 How to Multiply Fractions

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(156) / 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(313) / 评论(0)

数学英语

永不放弃 Never Give Up

When I meet difficulties, I will be very impatient and want to give up. Some day I realize that if I keep running away all the time, I will be a loser and make no difference. So I try to get over my fear and become patient. Now I no longer feel afrai

发表于:2019-01-03 / 阅读(193) / 评论(0)

英语作文

辛沛沛NO-BOOK 辛沛沛口语初级版 Lesson 56 Deal with

Lesson 56 Deal with 1.Deal with a man as he deals with you . 2.I have dealt with him for many years . 3.I don't know how to deal with these bad children . 4.I'll deal with the problem at once . 5.There are too many difficulties for us to deal with .

发表于:2019-01-14 / 阅读(151) / 评论(0)

辛沛沛NO-BOOK 辛沛沛口语初级版

科学美国人60秒 SSS 2014-03-03

This is Scientific American sixty seconds science. I'm Shouky Berswek. Got a minute? Jazz musicians are skills introvisers, and now we know that they craft their spontaneous melodies the same way you craft the sentence. Researchers scan the brains of

发表于:2019-01-20 / 阅读(145) / 评论(0)

2014年Scientific American(三)月

早安英文第435期:一说英语就尴尬?

A lack of vocabulary 词汇量太少了 Problems with pronunciation 发音问题 Ignorance of English grammar and syntax 不熟知语法和句法 Don't translate literally. 不要照字面翻译 For no reason, John would beat his wife. John会无缘无

发表于:2019-02-16 / 阅读(165) / 评论(0)

早安英文

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10-Methoxydeserpidine