Question

помогите пж
дәм 100 балов​

Answer 1

Пошаговое объяснение:

1 7/15 + 2 3/15 - 1 8/15 - 1 4/15 = 3 10/15 - 1 8/15 - 1 4/15 = 2 2/15 - 1 4/15 = 1 17/15 - 1 4/15 = 13/15

3 12/13 - 1 5/13 - 1 9/13 + 2 3/13 = 2 7/13 - 1 9/13 + 2 3/13 = 1 20/13 - 1 9/13 + 2 3/13 = 11/13 + 2 3/13 = 2 14/13 = 3 1/13

(5 - 3 7/16) + (4 - 2 9/16) = 5 - 3 7/16 + 4 - 2 9/16 =

(5 + 4) + (-3 7/16 - 2 9/16) = 9 + (-5 16/16) =

9 + (-6) = 9 - 6 = 3

(3 - 1 4/7) + (5 - 2 5/7) = 3 - 1 4/7 + 5 - 2 5/7 =

(3 + 5) + (-1 4/7 - 2 5/7) = 8 + (-3 9/7) =

8 - 4 2/7 = 7 7/7 - 4 2/7 = 3 5/7

(6 - 3 5/12) - (3 - 1 1/12) = 6 - 3 5/12 - 3 + 1 1/12 =

(6 - 3) + (-3 5/12 + 1 1/12) = 3 + (-2 4/12) = 3 - 2 4/12 = 2 12/12 - 2 4/12 = 8/12 = 2/3