-14 2/3 - 20 3/4 = -34 1/123/7 (-1 1/6) = -3/7 (-7/6) = 1/2-1 3/4 / (-4 3/8) = -7/4 / (-35/8) = -2/1 * -8/35 = 16/35
Итак, ответ: 16/35.
-14 2/3 - 20 3/4 = -34 1/12
3/7 (-1 1/6) = -3/7 (-7/6) = 1/2
-1 3/4 / (-4 3/8) = -7/4 / (-35/8) = -2/1 * -8/35 = 16/35
Итак, ответ: 16/35.