Expressão 18: 400 minus 6 left parenthesis, "x" minus 1 , right parenthesis squared minus 3 left parenthesis, "y" minus 1 , right parenthesis squared minus 3 "y" squared equals 380400−6x−12−3y−12−3y2=380
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Expressão 19: 400 minus 6 left parenthesis, "x" minus 1 , right parenthesis squared minus 3 left parenthesis, "y" minus 1 , right parenthesis squared minus 3 "y" squared equals 390400−6x−12−3y−12−3y2=390
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Expressão 20: 400 minus 6 left parenthesis, "x" minus 1 , right parenthesis squared minus 3 left parenthesis, "y" minus 1 , right parenthesis squared minus 3 "y" squared equals 395400−6x−12−3y−12−3y2=395
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Expressão 21: 400 minus 6 left parenthesis, "x" minus 1 , right parenthesis squared minus 3 left parenthesis, "y" minus 1 , right parenthesis squared minus 3 "y" squared equals 398.4 9 9 9400−6x−12−3y−12−3y2=398.4999
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Expressão 22: 400 minus 6 left parenthesis, "x" minus 1 , right parenthesis squared minus 3 left parenthesis, "y" minus 1 , right parenthesis squared minus 3 "y" squared equals 360.0400−6x−12−3y−12−3y2=360.0
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Expressão 23: 400 minus 6 left parenthesis, "x" minus 1 , right parenthesis squared minus 3 left parenthesis, "y" minus 1 , right parenthesis squared minus 3 "y" squared equals 340.0400−6x−12−3y−12−3y2=340.0
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Expressão 24: 400 minus 6 left parenthesis, "x" minus 1 , right parenthesis squared minus 3 left parenthesis, "y" minus 1 , right parenthesis squared minus 3 "y" squared equals 109.0400−6x−12−3y−12−3y2=109.0
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Expressão 25: left parenthesis, StartFraction, negative 4 Over StartRoot, 5 , EndRoot , EndFraction , StartFraction, negative 2 Over StartRoot, 5 , EndRoot , EndFraction , right parenthesis−45,−25
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Expressão 26: left parenthesis, negative 5 , negative 3 , right parenthesis−5,−3
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Expressão 27: left parenthesis, 1 , 1 half , right parenthesis1,12
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Expressão 28: left parenthesis, 5 , 3 , right parenthesis5,3
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Expressão 29: left parenthesis, 5 , negative 3 , right parenthesis5,−3
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Expressão 30: left parenthesis, negative 5 , 3 , right parenthesis−5,3
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Expressão 31: left parenthesis, negative 5 , 1 half , right parenthesis−5,12
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Expressão 32: left parenthesis, 5 , 1 half , right parenthesis5,12
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Expressão 33: left parenthesis, 1 , 3 , right parenthesis1,3
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Expressão 34: left parenthesis, 1 , negative 3 , right parenthesis1,−3