6.9+4.8+3.1 0.456+6.22+3.78 15.89+(6.75-5.89)
4.02+5.4+0.98 5.17-1.8-3.2 13.75-(3.75+6.48)
3.68+7.56-2.68 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2
3.82+2.9+0.18+9.1 9.6+4.8-3.6 7.14-0.53-2.47
5.27+2.86-0.66+1.63 13.35-4.68+2.65 73.8-1.64-13.8-5.36
6.9+4.8+3.1 0.456+6.22+3.78 15.89+(6.75-5.89)
4.02+5.4+0.98 5.17-1.8-3.2 13.75-(3.75+6.48)
3.68+7.56-2.68 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2
3.82+2.9+0.18+9.1 9.6+4.8-3.6 7.14-0.53-2.47
5.27+2.86-0.66+1.63 13.35-4.68+2.65 73.8-1.64-13.8-5.36