Ответы на вопрос:
203 2/5 : 9 - (5,39 - 7,39) / (3/14*7/9 - 1/3) = 1017/5*1/9 - (-2) / (1/6 - 1/3) = 113/5 + 2 / (1/6 - 2/6) = 113/5 + 10/5 / (-1/6) = - 123/5 * 6 = - 123/30 = - 41/10 = - 4,1
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