5 - (2 1/3+1 5/6) : (2 3/4-3 8/9) =

Question

Математика

Велимира

3 января, 16:30

5 - (2 1/3+1 5/6) : (2 3/4-3 8/9) =

+5

Ответы (1)

Знаете ответ на вопрос?

Виолетта · Answer 1

5 - (2 1/3+1 5/6) : (2 3/4-3 8/9) = 8 27/41

1) 2 1/3+1 5/6 = 2 2/6 + 1 5/6 = 3 7/6 = 4 1/6

2) 2 3/4-3 8/9 = 2 27/36 - 3 32/36 = - 1 5/36

3) 4 1/6 : (-1 5/36) = 4 6/36 : (- 41/36) = 150/36 * (-36/41) = - 150/41 = - 3 27/41

4) 5 - (-3 27/41) = 5 + 3 27/41 = 8 27/41