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 |