一个正方形内随机取一点,问离中心距离比到边线距离近的概率。大家毛估估大概多少?
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0.24
一个正方形内随机取一点,问离中心距离比到边线距离近的概率。大家毛估估大概多少?
0.20
0.21
0.22
0.23
0.24
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按了一回计算器得0.24
-罗击-
♂
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12/31/2025 postreply
19:43:46
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就取同心的一半边长的正方形面积和它的内切圆面积
-贫论贫论-
♂
(24 bytes)
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01/01/2026 postreply
05:44:44
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0.22317477
-贫论贫论-
♂
(0 bytes)
()
01/01/2026 postreply
05:51:47
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