-8/9*12,25*1 1/8-(-2,25)
- 8/9 * 12,25 * 1 1/8 - (- 2,25) = - 10
1) - 8/9 * 12 25/100 = - 8/9 * 1225/100 = - 9800/900 = - 10 8/9
2) - 10 8/9 * 1 1/8 = - 98/9 * 9/8 = - 98/8 = - 12,25
3) - 12,25 - (- 2,25) = - 12,25 + 2,25 = - 10