60-5·5 49:7+17 (68-36):4+48 (42-28)·9-17 (52-48)·(35-28) (27+15):(13-16) .
60-5×5=35. 49:7+17=24. (68-36):4+48=56. (42-28)•9-17=37. (52-48)•(36-28)=32. (27+15):(16-13)=7