斑竹那种画图解法 is 又简单又直观 to compare a^2 to b^2 + c^2
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送交者: 008 于 2007-10-08, 16:41:32:
回答: "其实不用算，画个几何图又简单又直观" - 好像不会那么直观 由 HunHunSheng 于 2007-10-08, 14:42:00:
draw a triangle with a, b, c as edges, see if the angle is larger than, smaller than, or equal to 90 degrees.
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