1) Resolva  a) (x, y) = (6,1) b) (x, y) = (1,6)  c) (x, y) = (5,9) d) (x, y) = (-1,3) 2) Resolva  a) (x, y) = (6,2) b) (x, y) = (-2,-3)  c) (x, y) = (2,0) d) (x, y) = (0,2) 3) Resolva  a) (x, y) = (4,7) b) (x, y) = (1,3)  c) (x, y) = (2,1) d) (x, y) = (3,1) 4) Resolva  a) (x, y) = (1,3) b) (x, y) = (5,4)  c) (x, y) = (-5, -4) d) (x, y) = (4,5) 5) Resolva  a) (x, y) = (9,3) b) (x, y) = (3,3)  c) (x, y) = (-9,9) d) (x, y) = (3,9) 6) Resolva  a) (x, y) = (1,2) b) (x, y) = (-1,1)  c) (x, y) = (2,1) d) (x, y) = (-2,1) 7) Resolva  a) (x, y) = (3,9) b) (x, y) = (4,1)  c) (x, y) = (-4,2) d) (x, y) = (1,4) 8) Resolva  a) (x, y) = (6,2) b) (x, y) = (2,6)  c) (x, y) = (10,3) d) (x, y) = (-2,6) 9) Resolva  a) (x, y) = (10,8) b) (x, y) = (2,3)  c) (x, y) = (-4,6) d) (x, y) = (6,4) 10) Resolva  a) (x, y) = (5,10) b) (x, y) = (10,5)  c) (x, y) = (5,55) d) (x, y) = (-10,2) 11) Resolva  a) (x, y) = (-1,2) b) (x, y) = (2,9)  c) (x, y) = (-2,1) d) (x, y) = (2,-1) 12) Resolva  a) (x, y) = (1, 6) b) (x, y) = (-6, 1) c) (x, y) = (6, 2) d) (x, y) = (2, 6) 13) Resolva  a) (x, y) = (5, 4/4) b) (x, y) = (3/3, 5) c) (x, y) = (5, - 4/3) d) (x, y) = (4/3, 5) 14) Resolva  a) (x, y) = (6,-4) b) (x, y) = (4,6)  c) (x, y) = (3,2) d) (x, y) = (-6,4) 15) Resolva  a) (x, y) = (-1,-1) b) (x, y) = (1,-1)  c) (x, y) = (-1,1) d) (x, y) = (1,1) 16) Resolva  a) (x, y) = (1,-3) b) (x, y) = (-3,2)  c) (x, y) = (3,2) d) (x, y) = (2,3) 17) Resolva  a) (x, y) = (2,7) b) (x, y) = (5,9)  c) ((x, y) = (-2,-7) d) (x, y) = (7,2) 18) Resolva  a) (x, y) = (3,4) b) (x, y) = (4,2)  c) (x, y) = (-3, -4) d) (x, y) = (4,-1) 19) Resolva  a) (x, y) = (-1,2) b) (x, y) = (1,5)  c) ((x, y) = (2,5) d) (x, y) = (2,-1) 20) Resolva  a) (x, y) = (12,-10) b) (x, y) = (-12,-2)  c) ((x, y) = (12,2) d) (x, y) = (-2,12) 21) Resolva  a) (x, y) = (1/2, 1/3) b) (x, y) = (2,3)  c) (x, y) = (1/3, 1/3) d) (x, y) = (2/2, 3/3) 22) Resolva  a) (x, y) = (-1,-1) b) (x, y) = (5,5)  c) ((x, y) = (1,5) d) (x, y) = (1,1)

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