表达式9: "x" equals 2 left brace, 10 less than or equal to "y" less than or equal to 35 , right brace 有图表。 要进行音频跟踪，按“Alt 键 + T”。x=210≤y≤35
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表达式10: "x" equals negative 2 left brace, 10 less than or equal to "y" less than or equal to 35 , right brace 有图表。 要进行音频跟踪，按“Alt 键 + T”。x=−210≤y≤35
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表达式11: "y" less than or equal to negative 32 有图表。 要进行音频跟踪，按“Alt 键 + T”。y≤−32
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表达式12: StartRoot, 30 squared minus "x" squared , EndRoot plus sine "x"302−x2+sinx
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表达式13: StartFraction, "x" squared Over 2 , EndFraction plus 55sine "x" positive left parenthesis, "y" minus 20 , right parenthesis squared less than or equal to 30 squared 有图表。 要进行音频跟踪，按“Alt 键 + T”。x22+55sinx+y−202≤302
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表达式14: left parenthesis, "x" minus "a" , right parenthesis squared plus left parenthesis, "y" minus "f" left parenthesis, "a" , right parenthesis , right parenthesis squared less than or equal to left parenthesis, 20 plus StartFraction, "a" Over 20 , EndFraction , right parenthesis squared 有图表。 要进行音频跟踪，按“Alt 键 + T”。x−a2+y−fa2≤20+a202
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表达式15: "f" left parenthesis, "x" , right parenthesis equals negative StartFraction, 150 Over 250 squared , EndFraction left parenthesis, "x" plus 250 , right parenthesis left parenthesis, "x" minus 250 , right parenthesisfx=−1502502x+250x−250
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表达式16: "g" left parenthesis, "x" , right parenthesis equals 5 StartAbsoluteValue, sin left parenthesis, "a" , right parenthesis , EndAbsoluteValue left parenthesis, "x" minus 20 minus "a" , right parenthesis Superscript, 2 thirds , Baseline plus 30 plus "a" left brace, StartAbsoluteValue, "x" minus 20 minus "a" , EndAbsoluteValue less than or equal to 10 , right brace 有图表。 要进行音频跟踪，按“Alt 键 + T”。gx=5sinax−20−a23+30+ax−20−a≤10
