Ответы на вопрос:
1/4+3/8*1 2/3=7/8 1) 3/8*1 2/3=3/8*5/3=5/8 2) 1/4+5/8=2/8+5/8=7/8 (5/6-2/3): 8*9=3/16 1) 5/6-2/3=5/6-4/6=1/6 2) 1/6: 8/9=3/16
1/4 + 3/8 * 5/3 = 1/4 + 5/8 = 2/8 + 5/8 = 7/8 (5/6 - 4/6): 8/9 = 1/6 *9/8 = 3/8
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