dxspairrblx dxspairrblx 11-11-2020 Mathematics contestada Pls help i reall need help with this Simplify Each 1. 3 - {7 - [8 + (7 - 3)] } 2. 12 - ( 3 - 4) - [8 - 6] + 5 3. - {2 - [7 - 8] + 2 - (1 - 3)} 4. 6 + 3 2 + 3 5. 4+5 - [ 8 - (245)] 1 - 4