На месте пропусков: 2x+2 / x+3 * 3(x+3)/2x = 2x+2 / 2x = 2 (x + 1) / 2x = x + 1 / x
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На месте пропусков: 2x+2 / x+3 * 3(x+3)/2x = 2x+2 / 2x = 2 (x + 1) / 2x = x + 1 / x