36.8+14.4-9.92 1.28+3.7+2.46
2-0.4-0.8 6.07+0.4-0.08
4.04-3.5+0.31 19.92+14.4-9.92
85.7-(15.3-4.8) 40-(2.75+0.86)
9.5+4.85-6.13