36 целых 30/70 = 36 целых 3/7 = (36*7+3)/7 = 255/7
1,2 = 12/10 = 6/5
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36 целых 30/70 * 1,2 = 255/7 * 6/5 = (51*6)/(7*1) = 306/7 = 43 целых 5/7
Ответ: 43 целых 5/7.