8105-(2035x3+1258) 2508+(2052x3-385:7)

Question

8105-(2035x3+1258)
2508+(2052x3-385:7)

Answer 1

1)8105-(2035•3+1258)=8105-(6105+1258)=8105-7363=742
2)2508+(2052•3-385:7)=2508+(6156-55)=2508+6101=8609

Answer 2

742 пример№1
8609 пример№2