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prettypushkova

1 2/9 - (х - 1/6) = - 2 1/3

х - 1/6 = 1 2/9 - (-2 1/3)

х - 1/6 = 1 2/9 + 2 1/3

х - 1/6 = 1 2/9 + 2 3/9

х - 1/6 = 3 5/9

х = 3 5/9 + 1/6

х = 3 10/18 + 3/18

х = 3 целых 13/18

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