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来自MSN
2 天
1/3等于0.333(除不尽),那么1米长的绳子能否分成三份
这种问题经常在网络上出现,很容易让人陷入某种误区,甚至让人患上“强迫症”,看到无理数就会产生某种说不清道不明的“歧视”心理,就好像无理数真的“无理”一样,“无理数”这三个字确实蒙蔽了很多人的双眼!
来自MSN
10 天
1/3等于0.33既然除不尽,一米长的棍子能否分成三等份?
众所周知,在数学的世界里,实数这个大家族囊括了有理数与无理数两大分支,它们与数轴上的点一一对应,秩序井然。
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