( 13 2/3×2 1/7 - 12 2/3 ×2 1/7): 11/14×3 1/3+1/3

Ответ:

Пошаговое объяснение:

1) 13 2/3 * 2 1/7 - 12 2/3 * 2 1/7 = 2 1/7 * (13 2/3 - 12 2/3) = 2 1/7 * 1 = 2 1/7

2) 2 1/7 : 1 1/14 = 15/7 : 15/14 = 15/7 * 14/15 = 2

3) 2 * 3 1/3 = 2 * 10/3 = 20/3 = 6 2/3

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