100 БАЛЛОВ!!!! Пожалуйста вычислите!!!
а) (6 1/5 - 4 1/3) : (-1 1/3);
б) -3 2/3 : 1 1/2 + 1 2/3 * 1 1/2.
а) (6 1/5 - 4 1/3) : (-1 1/3);
б) -3 2/3 : 1 1/2 + 1 2/3 * 1 1/2.
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28/15 : (-1 1/3) = 28/15 • (-3/4) = - 7/5 = - 1.4
б) - 11/3 : 3/2 = - 11/3 • 2/3 = - 22/9;
5/3 • 3/2 = 5/2;
- 22/9 + 5/2 = - 44/18 + 45/18 = 1/18