Top　数表一覧

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数表 (組み合わせ, nCr, n=2, 2Cr)

	nCr (整数)	nCr (指数表記)	x=log(nCr), nCr=10^x	ΣnCk (k=0...r)
2C0	copy	copy	=10^ copy	copy
2C1	copy	copy	=10^ copy	copy
2C2	copy	copy	=10^ copy	copy