1)24/5 + 19/6 = 144/30 + 95/30 = 239/30 = 7 целых 29/30
2)24/5 * 9/4 = 54/5 = 10 целых 4/5
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1)24/5 + 19/6 = 144/30 + 95/30 = 239/30 = 7 целых 29/30
2)24/5 * 9/4 = 54/5 = 10 целых 4/5