1 . 关于问题“从区间
内随机地取两个数x,y,求x,y满足
的概率”,有一种解法是:在平面直角坐标系内,条件
表示的区域为边长
的正方形,面积
;所求
表示的区域为半径
的圆的
,面积
,则所求概率
.类比上述解法,我们可求得:从区间
内随机地取三个数x,y,z,则x,y,z满足
的概率为___________ .
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2023-02-28更新
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2卷引用:重庆市巴蜀中学校2020届高三下学期5月月考文科数学试题