表达式6: "p" left parenthesis, 180 , right parenthesisp180
6
表达式7: "q" Subscript, 2 , Baseline left parenthesis, 120 , right parenthesisq2120
7
表达式8: "Q" left parenthesis, "h" , "a" , "b" , "c" , "d" , "s" , right parenthesis equals 2 "q" left parenthesis, "h" , right parenthesis plus "q" left parenthesis, "a" , right parenthesis plus "q" left parenthesis, "b" , right parenthesis plus "q" left parenthesis, "c" , right parenthesis plus "q" left parenthesis, "d" , right parenthesis plus "q" left parenthesis, "s" , right parenthesisQh,a,b,c,d,s=2qh+qa+qb+qc+qd+qs