Op. con números naturales 1°
- 1. RESOLVER: 5+(7-3)+(15-8)-13
- 2. RESOLVER: 452-(251-134)-(103-88)
- 3. RESOLVER: 1004+(145+115)-(305-183)
- 4. RESOLVER: 3·4+5-1·4+6·2
- 5. RESOLVER: 3·(4+5)+2·(9-3)
- 6. RESOLVER: 9:3·4-(4+2-3):3
- 7. RESOLVER: 3·7·(4-2):6+(10-14:7)
- 9. RESOLVER: 24:6+4·3·5-2·(3·2-5)
- 10. RESOLVER: (9+2·5+1):4+4·(6-8:2)
- 11. RESOLVER: 7·(10-2·4):(6+5:5)
- 12. RESOLVER: (1+25:5):3-(8-3·2)
- 13. RESOLVER: (90:3·5)+(15-20:4)
- 14. RESOLVER: (64:2·4):4+2·5
- 15. RESOLVER: (8-2·2+9-15:3):(60:15)
- 16. RESOLVER: [(10+2·5·4:8)-(2+4-3)]-9
- 17. RESOLVER: (20:4+12)·2-(6·3-2):4
- 18. RESOLVER: [14+3·(7-15:5)]:(3+2·5)
- 19. RESOLVER: [(7·2-6):2]:(5·2-6)
- 20. RESOLVER: [(15+2·5)-1]:(6+3·2)
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Otros exámenes de interés :