表达式6: "k" left parenthesis, "x" , right parenthesis equals StartFraction, "n" Over floor left parenthesis, StartNestedFraction, "n" NestedOver 2 , EndNestedFraction , right parenthesis , EndFraction left parenthesis, 1 quarter plus StartFraction, floor left parenthesis, "x" , right parenthesis Over 2 , EndFraction , right parenthesis minus 1 halfkx=nfloorn214+floorx2−12
6
表达式7: mod left parenthesis, negative "k" left parenthesis, "x" , right parenthesis , 1 , right parenthesis "I" left parenthesis, "x" , right parenthesismod−kx,1Ix
7
表达式8: mod left parenthesis, "k" left parenthesis, "x" minus 1 , right parenthesis , 1 , right parenthesis "I" left parenthesis, "x" minus 1 , right parenthesismodkx−1,1Ix−1
8
表达式9: "I" left parenthesis, "x" , right parenthesis equals left brace, 0 less than or equal to "x" less than "n" minus 1 : 1 , 0 , right braceIx=0≤x<n−1:1,0
9
表达式10: "n" equals 17n=17
11
255255
10
表达式11: StartFraction, 1 Over "f" left parenthesis, 0 , right parenthesis minus 1 , EndFraction1f0−1
equals=
negative 32−32
11
表达式12: StartFraction, 1 Over "f" left parenthesis, 1 , right parenthesis minus 1 , EndFraction1f1−1
