表达式10: "D" Subscript, 0 , Baseline left parenthesis, "p" , "n" , right parenthesis equals StartFraction, "n" Over "n" minus "p" , EndFraction nCr left parenthesis, "n" minus "p" , "p" , right parenthesisD0p,n=nn−pnCrn−p,p
10
表达式11: "D" Subscript, 0 , Baseline left parenthesis, 0 , "N" , right parenthesisD00,N
equals=
11
11
表达式12: "D" Subscript, 0 , Baseline left parenthesis, 1 , "N" , right parenthesisD01,N
equals=
55
12
表达式13: "D" Subscript, 0 , Baseline left parenthesis, 2 , "N" , right parenthesisD02,N
equals=
55
13
表达式14: "D" Subscript, 0 , Baseline left parenthesis, 3 , "N" , right parenthesisD03,N
equals=
00
14
表达式15: "D" Subscript, 0 , Baseline left parenthesis, 4 , "N" , right parenthesisD04,N
