340/567+29/42+43/54+74/81-(53/60-37/84)-(3/14+12/35) Ответ по действиям

340/567 + 29/42 + 43/54 + 74/81 - (53/60 - 37/84) - (3/14 + 12/35) = 2.

1) 53/60 - 37/84 = 371/420 - 185/420 = 186/420 = 93/210 = 31/70.

2) 3/14 + 12/35 = 15/70 + 24/70 = 39/70.

3) 340/567 + 29/42 = 680/1134 + 783/1134 = 1463/1134 = 1 329/1134.

4) 1 329/1134 + 43/54 = 1463/1134 + 903/1134 = 2366/1134 = 2 98/1134 = 2 49/567 = 2 7/81.

5) 2 7/81 + 74/81 = 169/81 + 74/81 = 243/81 = 3.

6) 3 - 31/70 = 210/70 - 31/70 = 179/70 = 2 39/70.

7) 2 39/70 - 39/70 = 179/70 - 39/70 = 140/70 = 2.

Ответ: 340/567 + 29/42 + 43/54 + 74/81 - (53/60 - 37/84) - (3/14 + 12/35) = 2.