题目:
(本小题满分12分)
已知|x|≤2,|y|≤2,点P的坐标(x,y)
(1)求当x, y∈R时,P满足(x-2)2+(y-2)2≤4的概率;
(2)求当x, y∈Z时,P满足(x-2)2+(y-2)2≤4的概率
答案:
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