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为什么 'X' 代表未知数?
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课程介绍
为什么 'x' 是未知数的符号?在这个短而有趣的演讲里,Terry Moore 带给我们一个吃惊的答案。
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  • 匿名

    可能是某个数学家突发奇想,想找个代号而已。。然后后面的人就都跟着用了。。

    2015-07-07

  • 匿名

    因为X是错的,所以正确的未知。。哈哈~

    2015-07-07

  • 匿名

    原来如此嘛 哈哈 挺有趣的

    2015-07-07

  • 匿名

    设小明有X块钱,哈哈,小时候做题各种设,怀念啊

    2015-07-07

  • 匿名
    “The Palestinians like to pretend that they are the descendants of the natives, which they mostly aren’t. They are mostly descended from Arab invaders who came in after Islam was ine;lted.”vExactny. Just like every modern Jewis descended exclusively from people who converted to Judaism while in their native Khazaria. And that happened at the same time this “invasion” you’re talking about!!!
    2016-11-19
    匿名
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    2016-11-19
    匿名
    Thank God! Soenome with brains speaks!
    2016-11-19
    匿名
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    2016-11-19
    匿名
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    2016-11-22
    匿名
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    2016-11-22
  • 匿名

    X就是充满神奇的一个元素,比如X战警中一个X符号增加了多少神秘色彩。

    2015-07-07

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讲师介绍
  • 讲师:Terry Moore(Thinker)

    Terry Moore is the director of the Radius Foundation, a forum for exploring and gaining insight from different worldviews.