Expressão 8: polygon left parenthesis, negative 20 plus "x" Subscript, 1 , Baseline , "y" Subscript, 1 , Baseline , right parenthesispolygon−20+x1,y1
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Expressão 9: polygon left parenthesis, negative 10 plus "x" Subscript, 1 , Baseline , 10 plus "y" Subscript, 1 , Baseline , right parenthesispolygon−10+x1,10+y1
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Expressão 10: polygon left parenthesis, negative 10 plus "x" Subscript, 1 , Baseline , negative 10 plus "y" Subscript, 1 , Baseline , right parenthesispolygon−10+x1,−10+y1
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Expressão 11: polygon left parenthesis, negative 10 plus "x" Subscript, 1 , Baseline , negative 20 plus "y" Subscript, 1 , Baseline , right parenthesispolygon−10+x1,−20+y1
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Expressão 12: polygon left parenthesis, 2 "x" Subscript, 1 , Baseline , 20 minus 4 "y" Subscript, 1 , Baseline , right parenthesispolygon2x1,20−4y1
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Expressão 13: polygon left parenthesis, negative 20 plus 2 "x" Subscript, 1 , Baseline , 20 minus 4 "y" Subscript, 1 , Baseline , right parenthesispolygon−20+2x1,20−4y1
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Expressão 14: polygon left parenthesis, negative 10 "t" Subscript, 1 , Baseline plus 2 "x" Subscript, 1 , Baseline , 20 minus 4 "y" Subscript, 1 , Baseline , right parenthesispolygon−10t1+2x1,20−4y1
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Expressão 15: polygon left parenthesis, negative 10 minus 10 left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis plus 2 "x" Subscript, 1 , Baseline , 20 minus 4 "y" Subscript, 1 , Baseline , right parenthesispolygon−10−101−t1+2x1,20−4y1
