表达式16: "x" equals negative 20 left brace, 64 less than or equal to "y" less than or equal to 70 , right bracex=−2064≤y≤70
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表达式17: "x" equals 10 left brace, 70 less than or equal to "y" less than or equal to 95 , right bracex=1070≤y≤95
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表达式18: "x" equals negative 10 left brace, 70 less than or equal to "y" less than or equal to 95 , right bracex=−1070≤y≤95
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表达式19: 70 less than or equal to "y" less than or equal to 95 left brace, negative 10 less than or equal to "x" less than or equal to 10 , right brace70≤y≤95−10≤x≤10
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表达式20: left parenthesis, "x" plus 7 , right parenthesis squared plus left parenthesis, "y" minus 53 , right parenthesis squared equals 3x+72+y−532=3
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表达式21: left parenthesis, "x" minus 7 , right parenthesis squared plus left parenthesis, "y" minus 53 , right parenthesis squared equals 3x−72+y−532=3
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表达式22: "y" equals 47 left brace, negative 2 less than or equal to "x" less than or equal to 11 , right bracey=47−2≤x≤11
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表达式23: "y" equals 1 third "x" plus 43 left brace, negative 2 less than or equal to "x" less than or equal to 11 , right bracey=13x+43−2≤x≤11
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表达式24: "x" squared plus left parenthesis, "y" plus 69 , right parenthesis squared equals 1500x2+y+692=1500
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表达式25: "x" squared plus left parenthesis, "y" plus 69 , right parenthesis squared equals 900x2+y+692=900
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表达式26: "x" squared plus left parenthesis, "y" plus 69 , right parenthesis squared equals 300x2+y+692=300
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表达式27: "x" squared plus left parenthesis, "y" plus 69 , right parenthesis squared equals 100x2+y+692=100
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表达式28: "x" equals 0 left brace, negative 108 less than or equal to "y" less than or equal to negative 30 , right bracex=0−108≤y≤−30
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表达式29: "y" equals negative 69 left brace, negative 38 less than or equal to "x" less than or equal to 38 , right bracey=−69−38≤x≤38
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表达式30: "y" equals "x" minus 69 left brace, negative 97 less than or equal to "y" less than or equal to negative 41 , right bracey=x−69−97≤y≤−41
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表达式31: "y" equals negative "x" minus 69 left brace, negative 97 less than or equal to "y" less than or equal to negative 41 , right bracey=−x−69−97≤y≤−41
