Ответы на вопрос:
1/2+3/4=2/4+3/4=5/4=1 1/4 5/6+3 4/7= 35/42 + 3 24/42= 3 59/42 = 4 17/42 1 2/3 + 2 2/3 = 3 4/3 = 4 1/3 1/2*4/5=2/5 3/4 * 2 1/4 = 3/4 * 9/4 = 27/16 = 1 11/16 3 1/2 * 4 4/6 = 7/2 * 28/6 = 16 1/3 3/4 - 2/4 = 1/4 2 4/7 - 1 2/7 = 1 2/7 3/5 - 4/9 = 27/45 - 20/45 = 7/45 3/4 : 1/2 = 3/4 * 2/1 = 3/2 = 1 1/2 1 3/5 : 3 4/6 = 8/5 : 22/6 = 8/5 * 6/22 = 24/55 2 5/6 : 1/2 = 17/6 * 2/1 = 5 2/3
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