表达式7: "f" left parenthesis, "x" , right parenthesis equals negative 17.7 minus StartAbsoluteValue, left parenthesis, negative 15.2 2 plus StartRoot, 236.2 5 minus left parenthesis, left parenthesis, "x" minus 7 , right parenthesis plus 15.2 2 , right parenthesis squared , EndRoot , right parenthesis left parenthesis, sin left parenthesis, "a" "x" minus 4 "a" , right parenthesis , right parenthesis squared , EndAbsoluteValue StartRoot, StartFraction, StartAbsoluteValue, StartAbsoluteValue, left parenthesis, "x" minus 7 , right parenthesis plus 6.4 , EndAbsoluteValue minus 6.4 , EndAbsoluteValue Over 6.4 minus StartAbsoluteValue, left parenthesis, "x" minus 7 , right parenthesis plus 6.4 , EndAbsoluteValue , EndFraction , EndRootfx=−17.7−−15.22+236.25−x−7+15.222sinax−4a2x−7+6.4−6.46.4−x−7+6.4
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表达式8: "h" left parenthesis, "x" , right parenthesis equals 31.8 2 minus StartAbsoluteValue, left parenthesis, negative 1.0 6 0 4 plus StartRoot, 150 minus left parenthesis, left parenthesis, "x" minus 7.0 7 , right parenthesis minus 1.0 6 0 4 , right parenthesis squared , EndRoot , right parenthesis left parenthesis, sin left parenthesis, "a" left parenthesis, "x" minus 7.0 7 , right parenthesis , right parenthesis , right parenthesis squared , EndAbsoluteValue StartRoot, StartFraction, StartAbsoluteValue, StartAbsoluteValue, left parenthesis, "x" minus 7.0 7 , right parenthesis plus 5.5 , EndAbsoluteValue minus 5.5 , EndAbsoluteValue Over 5.5 minus StartAbsoluteValue, left parenthesis, "x" minus 7.0 7 , right parenthesis plus 5.5 , EndAbsoluteValue , EndFraction , EndRoothx=31.82−−1.0604+150−x−7.07−1.06042sinax−7.072x−7.07+5.5−5.55.5−x−7.07+5.5
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表达式9: "y" cosine left parenthesis, StartFraction, 3 pi Over 4 , EndFraction , right parenthesis minus "x" sine left parenthesis, StartFraction, 3 pi Over 4 , EndFraction , right parenthesis equals "f" left parenthesis, "y" sin left parenthesis, StartFraction, 3 pi Over 4 , EndFraction , right parenthesis plus "x" cos left parenthesis, StartFraction, 3 pi Over 4 , EndFraction , right parenthesis , right parenthesisycos3π4−xsin3π4=fysin3π4+xcos3π4
表达式10: "y" cosine left parenthesis, negative StartFraction, pi Over 4 , EndFraction , right parenthesis minus "x" sine left parenthesis, negative StartFraction, pi Over 4 , EndFraction , right parenthesis equals "h" left parenthesis, "y" sin left parenthesis, negative StartFraction, pi Over 4 , EndFraction , right parenthesis plus "x" cos left parenthesis, negative StartFraction, pi Over 4 , EndFraction , right parenthesis , right parenthesisycos−π4−xsin−π4=hysin−π4+xcos−π4
