Ответ:
(13 7/12-10 2/3) : 2 1/2 = (13 7/12 - 10 8/12) : 2 1/2 = 2 11/12: 2 1/2 = 35/12*2/5=7/6=1 1/6
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Ответ:
(13 7/12-10 2/3) : 2 1/2 = (13 7/12 - 10 8/12) : 2 1/2 = 2 11/12: 2 1/2 = 35/12*2/5=7/6=1 1/6