運算式 7: "i" left parenthesis, "x" , "y" , right parenthesis equals left brace, 0 less than or equal to "x" less than or equal to "y" , right brace "y" minus 1.1 4 left parenthesis, 1.2 5 left parenthesis, "y" minus "x" , right parenthesis minus 150 , right parenthesisix,y=0≤x≤yy−1.141.25y−x−150
7
運算式 8: "j" left parenthesis, "x" , "y" , right parenthesis equals left brace, 0 less than or equal to "x" less than or equal to "y" , right brace "y" minus 1.1 4 left parenthesis, 1.3 0 left parenthesis, "y" minus "x" , right parenthesis minus 300 , right parenthesisjx,y=0≤x≤yy−1.141.30y−x−300
8
運算式 9: "k" left parenthesis, "x" , "y" , right parenthesis equals left brace, 0 less than or equal to "x" less than or equal to "y" , right brace "y" minus 1.1 4 left parenthesis, 1.3 5 left parenthesis, "y" minus "x" , right parenthesis minus 450 , right parenthesiskx,y=0≤x≤yy−1.141.35y−x−450
9
運算式 10: "i" left parenthesis, "x" , "m" , right parenthesisix,m
10
運算式 11: "j" left parenthesis, "x" , "m" , right parenthesisjx,m
11
運算式 12: "k" left parenthesis, "x" , "m" , right parenthesiskx,m
