Пошаговое объяснение:
1) 1 9/16 * 3 1/5 = 25/16 * 16/5 = 5/1 * 1/1 = 5/1 = 5
2) 9/1 : 2 2/5 = 9/1 : 12/5 = 9/1 * 5/12 = 45/12 = 3 9/12
3) 5 + 16 2/3 = 21 2/3
4) 21 2/3 - 3 9/12 = 21 8/12 - 3 9/12 = 20 20/12 - 3 9/12 = 17 11/12
5) 17 7/12 - 6 1/3 = 17 7/12 - 6 4/12 = 11 3/12 = 11 1/4
6) 17 11/12 : 11 1/4 = 215/12 : 45/4 = 215/12 * 4/45 = 43/3 * 1/9 = 43/27 = 1 16/27
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Пошаговое объяснение:
1) 1 9/16 * 3 1/5 = 25/16 * 16/5 = 5/1 * 1/1 = 5/1 = 5
2) 9/1 : 2 2/5 = 9/1 : 12/5 = 9/1 * 5/12 = 45/12 = 3 9/12
3) 5 + 16 2/3 = 21 2/3
4) 21 2/3 - 3 9/12 = 21 8/12 - 3 9/12 = 20 20/12 - 3 9/12 = 17 11/12
5) 17 7/12 - 6 1/3 = 17 7/12 - 6 4/12 = 11 3/12 = 11 1/4
6) 17 11/12 : 11 1/4 = 215/12 : 45/4 = 215/12 * 4/45 = 43/3 * 1/9 = 43/27 = 1 16/27