運算式 21: "D" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, left parenthesis, "x" , "y" , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis less than or equal to 2Dffffffffffffffffffx,y≤2
21
運算式 22: "D" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, left parenthesis, "x" , "y" , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis less than or equal to 2Dfffffffffffffffffffx,y≤2
22
運算式 23: "D" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, left parenthesis, "x" , "y" , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis less than or equal to 2Dffffffffffffffffffffx,y≤2
23
運算式 24: "D" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, left parenthesis, "x" , "y" , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis less than or equal to 2Dfffffffffffffffffffx,y≤2
24
運算式 25: "D" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, left parenthesis, "x" , "y" , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis less than or equal to 2Dffffffffffffffffffffx,y≤2
25
運算式 26: "D" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, left parenthesis, "x" , "y" , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis less than or equal to 2Dfffffffffffffffffffffx,y≤2
26
運算式 27: "D" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, left parenthesis, "x" , "y" , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis less than or equal to 2Dffffffffffffffffffffffx,y≤2
27
運算式 28: "D" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, left parenthesis, "x" , "y" , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis less than or equal to 2Dfffffffffffffffffffffffx,y≤2
28
運算式 29: "D" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, left parenthesis, "x" , "y" , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis less than or equal to 2Dffffffffffffffffffffffffx,y≤2
29
運算式 30: "D" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, left parenthesis, "x" , "y" , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis less than or equal to 2Dfffffffffffffffffffffffffx,y≤2
30
運算式 31: "D" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, left parenthesis, "x" , "y" , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis less than or equal to 2Dffffffffffffffffffffffffffx,y≤2
31
運算式 32: "D" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, left parenthesis, "x" , "y" , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis less than or equal to 2Dfffffffffffffffffffffffffffx,y≤2
32
運算式 33: "D" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, left parenthesis, "x" , "y" , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis less than or equal to 2Dffffffffffffffffffffffffffffx,y≤2
33
運算式 34: "D" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, left parenthesis, "x" , "y" , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis less than or equal to 2Dfffffffffffffffffffffffffffffx,y≤2
34
運算式 35: "D" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, left parenthesis, "x" , "y" , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis less than or equal to 2Dffffffffffffffffffffffffffffffx,y≤2
35
運算式 36: "D" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, left parenthesis, "x" , "y" , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis less than or equal to 2Dfffffffffffffffffffffffffffffffx,y≤2
36
運算式 37: "D" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, left parenthesis, "x" , "y" , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis less than or equal to 2Dffffffffffffffffffffffffffffffffx,y≤2
37
運算式 38: "D" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, left parenthesis, "x" , "y" , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis less than or equal to 2Dfffffffffffffffffffffffffffffffffx,y≤2
