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一天,我在家里翻弄书架上妈妈的书。从书架中间发现了一本有关“高数”的书。我好奇地打开书,书中第一章讲的是牛顿的极限思想论。这段话深深地吸引了我。“当两数在同一时间内无限趋于相等,且在这一时间停止前无限靠近,且其差小于任意给定的差,则判定其值为相等。例如:0.9=1。”“咦?0.9怎么会等于1呢?”我觉得这个结论有问题。于是,我开始求证。
One day, I tweeted my mother’s book on the shelf at home. A book about “High Number ” was found in the middle of the bookcase. I curiously opened the book, the first chapter of the book is about Newton’s limit theory. This passage deeply attracted me. “When the two numbers are infinitely equal at the same time and are infinitely close before this time stops, and the difference is smaller than any given difference, it is judged that the values are equal. For example: 0.9 = 1. ”How? 0.9 will be equal to 1?“ ”I think there is a problem with this conclusion. So, I started to verify.