2 7/1×( 1 3/2+ 2 9/7 ×3,6=​

Пошаговое объяснение:

2 1/7 * (1 2/3 + 2 7/9) * 3,6 = 34 2/7

1) 1 2/3 + 2 7/9 = 1 6/9 + 2 7/9 = 3 13/9 = 4 4/9

2) 2 1/7 * 4 4/9 = 15/7 * 40/9 = 5/7 * 40/3 = 200/21

3) 200/21 * 3,6 = 200/21 * 36/10 = 20/7 * 12/1 = 240/7 = 34 2/7