1 1/3 : (-5.6) + (2.5 - 2 1/3) * (-5 1/7)
1) 1 1/3 : (-5.6) = - 5/21
2) 2.5 - 2 1/3 = 1/6
3) 1/6 * 5 1/7 = 6/7
4) 5/21 + 6/7 = 1 2/21
ответ: 1 2/21
1 1/3 : (-5.6) + (2.5 - 2 1/3) * (-5 1/7)
1) 1 1/3 : (-5.6) = - 5/21
2) 2.5 - 2 1/3 = 1/6
3) 1/6 * 5 1/7 = 6/7
4) 5/21 + 6/7 = 1 2/21
ответ: 1 2/21