Решение примера [ (40*4:5+2700:900) : 7*90-26*5]:40 - (9-8) : (6*4)

((40 * 4 / 5 + 2700 / 900) / 7 * 90 - 26 * 5) / 40 - (9 - 8) / (6 * 4) = 6 23/24;

1. 40 * 4 = 160;

2. 160 / 5 = 32;

3. 2700 / 900 = 3;

4. 32 + 3 = 35;

5. 35 / 7 = 5;

6. 5 * 90 = 450;

7. 26 * 5 = 130;

8. 450 - 130 = 320;

9. 320 / 40 = 8;

10. 9 - 8 = 1;

11. 6 * 4 = 24;

12. 1 / 24 = 1/24;

13. 8 - 1/24 = 7 24/24 - 1/24 = 6 23/24;