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数表 (組み合わせ, nCr, n=7, 7Cr)

nCr (整数) nCr (指数表記) x=log(nCr), nCr=10^x ΣnCk (k=0...r)
7C0 =10^
7C1 =10^
7C2 =10^
7C3 =10^
7C4 =10^
7C5 =10^
7C6 =10^
7C7 =10^