5 Ways To Profit From Agriculture’s Rebound (1)
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Chris Mayer (0)
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Contrarian Stock Market Investing News - Featuring Bargain Stocks (0)
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We haven’t yet seen the worst of this credit crisis, says Chris Mayer. A lack of funding is forcing farmers to reduce crop planting. And that will soon send commodity prices soaring again. Chris finds five beaten-down fertilizer and irrigation companies that will benefit as agriculture rebounds. This from The Rude Awakening: We have it comparatively easy in this, the crisis of 2008. We may have to make do with fewer Swatch watches and Coach ...
我不赞同给出互质数的概念。 (1)
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蝉之歌 (0)
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任景业的博客 (0)
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我不赞同给出互质数的概念。 在枣庄，有一位老师给我发来短信：“任老师两个质数一定是互质数吗？”我知道，他肯定不是要我简单地回复一个“是”与“不是”。我给他打过电话去。问他为什么问这么个问题？他告诉我他姓陈，是和同事在一起做练习册时遇上的问题。我问他们有没有分歧？分歧在哪？他说有分歧。一开始都认为是对的，但两个2,2,是互质数吗？2, 2,是两个2,还是算一个2。他们分不清，所以有争议。……
