表达式19: "y" equals 0.6 2 left brace, 11.1 3 greater than or equal to "x" greater than or equal to 7.9 , right bracey=0.6211.13≥x≥7.9
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表达式20: "y" equals 2.1 "x" plus negative 22.7 4 left brace, 1.4 greater than or equal to "y" greater than or equal to 0.6 2 , right bracey=2.1x+−22.741.4≥y≥0.62
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表达式21: "y" equals 0.2 9 9 9 "x" plus negative 2.0 4 left brace, 2.4 3 greater than or equal to "y" greater than or equal to 1.4 0 7 , right bracey=0.2999x+−2.042.43≥y≥1.407
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表达式22: "y" equals 0.6 "x" plus negative 1.4 left brace, 9.7 5 greater than or equal to "x" greater than or equal to 8.8 , right bracey=0.6x+−1.49.75≥x≥8.8
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表达式23: StartFraction, left parenthesis, "y" plus negative 0.7 , right parenthesis squared Over 0.4 , EndFraction plus StartFraction, left parenthesis, "x" plus negative 4 , right parenthesis squared Over 14.4 , EndFraction equals 0.1y+−0.720.4+x+−4214.4=0.1
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表达式24: left parenthesis, "y" plus negative 3.9 , right parenthesis squared plus left parenthesis, "x" plus negative 9.8 , right parenthesis squared equals 0.0 1y+−3.92+x+−9.82=0.01
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表达式25: left parenthesis, "y" plus negative 3.7 , right parenthesis squared plus left parenthesis, "x" plus negative 10.3 , right parenthesis squared equals 0.0 1y+−3.72+x+−10.32=0.01
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表达式26: left parenthesis, "y" plus negative 3.5 , right parenthesis squared plus left parenthesis, "x" plus negative 10.8 , right parenthesis squared equals 0.0 1y+−3.52+x+−10.82=0.01
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表达式27: "y" equals 1.4 "x" plus negative 3.5 left brace, 6.3 greater than or equal to "y" greater than or equal to 2.7 3 , right bracey=1.4x+−3.56.3≥y≥2.73
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表达式28: "y" equals 0.0 2 left parenthesis, "x" plus negative 8.8 , right parenthesis squared plus 2.3 left brace, 13.8 5 greater than or equal to "x" greater than or equal to 4.6 , right bracey=0.02x+−8.82+2.313.85≥x≥4.6
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表达式29: "y" equals 0.0 2 left parenthesis, "x" plus negative 8.8 , right parenthesis squared plus 2.2 left brace, 13.9 8 greater than or equal to "x" greater than or equal to 4.8 4 , right bracey=0.02x+−8.82+2.213.98≥x≥4.84
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表达式30: "y" equals 0.2 left brace, 11.2 greater than or equal to "x" greater than or equal to 2.2 , right bracey=0.211.2≥x≥2.2
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表达式31: "y" equals negative 1.6 "x" plus 3.7 left brace, 0.7 greater than or equal to "y" greater than or equal to 0.2 , right bracey=−1.6x+3.70.7≥y≥0.2
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表达式32: "y" equals 0.7 left brace, 1.9 greater than or equal to "x" greater than or equal to 0.2 5 , right bracey=0.71.9≥x≥0.25
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表达式33: "x" equals negative 0.9 left parenthesis, "y" plus negative 2.4 , right parenthesis squared plus 15.5 left brace, 2 greater than or equal to "y" greater than or equal to 0.2 , right bracex=−0.9y+−2.42+15.52≥y≥0.2
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表达式34: "x" equals negative 0.9 left parenthesis, "y" plus negative 3.2 , right parenthesis squared plus 16.3 left brace, 2.1 3 greater than or equal to "y" greater than or equal to 1 , right bracex=−0.9y+−3.22+16.32.13≥y≥1
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表达式35: "x" equals 0.5 left parenthesis, "y" plus negative 3.3 , right parenthesis squared plus negative 3.9 left brace, 1.5 greater than or equal to "x" greater than or equal to 0.1 3 , right brace left brace, "y" less than 4 , right bracex=0.5y+−3.32+−3.91.5≥x≥0.13y<4
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表达式36: left parenthesis, "y" plus negative 5.2 , right parenthesis squared plus left parenthesis, "x" plus negative 7.2 , right parenthesis squared equals 0.1 5 left brace, "y" greater than or equal to negative 0.5 "x" plus 8.7 , right bracey+−5.22+x+−7.22=0.15y≥−0.5x+8.7
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表达式37: left parenthesis, "y" plus negative 4.8 , right parenthesis squared plus left parenthesis, "x" plus negative 8 , right parenthesis squared equals 0.1 5 left brace, "y" greater than or equal to negative 0.5 "x" plus 8.7 , right bracey+−4.82+x+−82=0.15y≥−0.5x+8.7
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表达式38: left parenthesis, "y" plus negative 4.4 , right parenthesis squared plus left parenthesis, "x" plus negative 8.8 , right parenthesis squared equals 0.1 5 left brace, "y" greater than or equal to negative 0.5 "x" plus 8.7 , right bracey+−4.42+x+−8.82=0.15y≥−0.5x+8.7
