EFECTUATI OPERATIILE; 92,63+(68,8-56,92)= 1360,803-(972,94+297)= (1872,5-460,419)-(69,35+873,9)= (458,36-396)+(154,98-147,325)= 9026-{4831,78-(1028+704,62)+12,369}= 3365,79-{(48,16+573)-(2403-2072,96)+2,57}=