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[" (1) Let "A" be a set of "n(>=3)" dist...

[" (1) Let "A" be a set of "n(>=3)" distinct elements.The "],[" of triplets "(x,y,z)" of the "A" elements in which at leash "],[" coordinates is equal to "],[[" (1) "^(n)P_(3)," (2) "n^(3)-n_(P_(3))],[" (3) "3n^(2)-2n," (4) "3n^(2)(n-1)]]

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