数学
谁又小学五年级的分数混合运算?写作业要用!

2019-05-31

谁又小学五年级的分数混合运算?
写作业要用!
优质解答
1. 3/7 × 49/9 - 4/3 2. 8/9 × 15/36 + 1/27 3. 12× 5/6 – 2/9 ×3 4. 8× 5/4 + 1/4 5. 6÷ 3/8 – 3/8 ÷6 6. 4/7 × 5/9 + 3/7 × 5/9 7. 5/2 -( 3/2 + 4/5 ) 8. 7/8 + ( 1/8 + 1/9 ) 9. 9 × 5/6 + 5/6 10. 3/4 × 8/9 - 1/3 11. 7 × 5/49 + 3/14 12. 6 ×( 1/2 + 2/3 ) 13. 8 × 4/5 + 8 × 11/5 14. 31 × 5/6 – 5/6 15. 9/7 - ( 2/7 – 10/21 ) 16. 5/9 × 18 – 14 × 2/7 17. 4/5 × 25/16 + 2/3 × 3/4 18. 14 × 8/7 – 5/6 × 12/15 19. 17/32 – 3/4 × 9/24 20. 3 × 2/9 + 1/3 21. 5/7 × 3/25 + 3/7 22. 3/14 ×× 2/3 + 1/6 23. 1/5 × 2/3 + 5/6 24. 9/22 + 1/11 ÷ 1/2 25. 5/3 × 11/5 + 4/3 26. 45 × 2/3 + 1/3 × 15 27. 7/19 + 12/19 × 5/6 28. 1/4 + 3/4 ÷ 2/3 29. 8/7 × 21/16 + 1/2 30. 101 × 1/5 – 1/5 × 21 31. 50+160÷40 32. 120-144÷18+35 33. 347+45×2-4160÷52 34.(58+37)÷(64-9×5) 35. 95÷(64-45) 36. 178-145÷5×6+42 37. 812-700÷(9+31×11) 38. 85+14×(14+208÷26) 39.(284+16)×(512-8208÷18) 40. 120-36×4÷18+35 41.(58+37)÷(64-9×5) 42. (6.8-6.8×0.55)÷8.5 43. 0.12× 4.8÷0.12×4.8 44.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6 45. 5.38+7.85-5.37 46. 7.2÷0.8-1.2×5 47. 6.5×(4.8-1.2×4) 48. 10.15-10.75×0.4-5.7 49. 5.8×(3.87-0.13)+4.2×3.74 50. 32.52-(6+9.728÷3.2)×2.5 51.(136+64)×(65-345÷23) 52. 420+580-64×21÷28 53.(58+370)÷(64-45) 54. 6-1.19×3-0.43 55. 0.68×1.9+0.32×1.9 1. 3/7 × 49/9 - 4/3 2. 8/9 × 15/36 + 1/27 3. 12× 5/6 – 2/9 ×3 4. 8× 5/4 + 1/4 5. 6÷ 3/8 – 3/8 ÷6 6. 4/7 × 5/9 + 3/7 × 5/9 7. 5/2 -( 3/2 + 4/5 ) 8. 7/8 + ( 1/8 + 1/9 ) 9. 9 × 5/6 + 5/6 10. 3/4 × 8/9 - 1/3 11. 7 × 5/49 + 3/14 12. 6 ×( 1/2 + 2/3 ) 13. 8 × 4/5 + 8 × 11/5 14. 31 × 5/6 – 5/6 15. 9/7 - ( 2/7 – 10/21 ) 16. 5/9 × 18 – 14 × 2/7 17. 4/5 × 25/16 + 2/3 × 3/4 18. 14 × 8/7 – 5/6 × 12/15 19. 17/32 – 3/4 × 9/24 20. 3 × 2/9 + 1/3 21. 5/7 × 3/25 + 3/7 22. 3/14 ×× 2/3 + 1/6 23. 1/5 × 2/3 + 5/6 24. 9/22 + 1/11 ÷ 1/2 25. 5/3 × 11/5 + 4/3 26. 45 × 2/3 + 1/3 × 15 27. 7/19 + 12/19 × 5/6 28. 1/4 + 3/4 ÷ 2/3 29. 8/7 × 21/16 + 1/2 30. 101 × 1/5 – 1/5 × 21 31. 50+160÷40 32. 120-144÷18+35 33. 347+45×2-4160÷52 34.(58+37)÷(64-9×5) 35. 95÷(64-45) 36. 178-145÷5×6+42 37. 812-700÷(9+31×11) 38. 85+14×(14+208÷26) 39.(284+16)×(512-8208÷18) 40. 120-36×4÷18+35 41.(58+37)÷(64-9×5) 42. (6.8-6.8×0.55)÷8.5 43. 0.12× 4.8÷0.12×4.8 44.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6 45. 5.38+7.85-5.37 46. 7.2÷0.8-1.2×5 47. 6.5×(4.8-1.2×4) 48. 10.15-10.75×0.4-5.7 49. 5.8×(3.87-0.13)+4.2×3.74 50. 32.52-(6+9.728÷3.2)×2.5 51.(136+64)×(65-345÷23) 52. 420+580-64×21÷28 53.(58+370)÷(64-45) 54. 6-1.19×3-0.43 55. 0.68×1.9+0.32×1.9
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