已知经过同一点的n(n∈N*,n≥3)个平面,任意三个平面不经过同一条直线.若这n个平面将空间分成f(n)个部分,则f(3)=?,f(n)=?
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![已知经过同一点的n(n∈N*,n≥3)个平面,任意三个平面不经过同一条直线.若这n个平面将空间分成f(n)个部分,则f(3)=?,f(n)=?](/uploads/image/z/4975991-71-1.jpg?t=%E5%B7%B2%E7%9F%A5%E7%BB%8F%E8%BF%87%E5%90%8C%E4%B8%80%E7%82%B9%E7%9A%84n%28n%E2%88%88N%2A%2Cn%E2%89%A53%29%E4%B8%AA%E5%B9%B3%E9%9D%A2%2C%E4%BB%BB%E6%84%8F%E4%B8%89%E4%B8%AA%E5%B9%B3%E9%9D%A2%E4%B8%8D%E7%BB%8F%E8%BF%87%E5%90%8C%E4%B8%80%E6%9D%A1%E7%9B%B4%E7%BA%BF.%E8%8B%A5%E8%BF%99n%E4%B8%AA%E5%B9%B3%E9%9D%A2%E5%B0%86%E7%A9%BA%E9%97%B4%E5%88%86%E6%88%90f%28n%29%E4%B8%AA%E9%83%A8%E5%88%86%2C%E5%88%99f%283%29%EF%BC%9D%3F%2Cf%28n%29%EF%BC%9D%3F)
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