Sarita123389id Sarita123389id Matemáticas contestada 33 38 Opera. a) 7.4+2. (10-6) c) 5 (11-7) – 6 .. e) 3 (8-5)-12. (6-4) g) 9: (6-3) + 8. (6-5) i) [(24: (9-2-3)]:2 [(e-11)-211-05 ( b) 8:2+4: (9-5) d) 12: (11-7) - 2 f) 15: (2+3)+5.(2+2) h) 6.(9- 5) – 18 : (9 – 7) j) 24: [(9-2-3):2]