Ответы на вопрос:
2/3 : (2/3x - 2/3) - 2/3 = 2/3 2/3 : (2/3x - 2/3) = 2/3 +2/3 = 4/3 = 1цел. 1/3 2/3x - 2/3 = 2/3 : 1цел. 1/3 = 1/2 2/3x = 1/2 +2/3 = 1цел. 1/6 x = 1/6 : 2/3 = 1/4 x = 1/4
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