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 × 5/97. 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 × 2131. 50+160÷40
32. (58+370)÷(64-45)
33. 120-144÷18+35 34. 347+45×2-4160÷52 35. (58+37)÷(64-9×5)
36. 95÷(64-45) 37. 178-145÷5×6+42 38. 420+580-64×21÷28 39. 812-700÷(9+31×11) 40. (136+64)×(65-345÷23)
41. 85+14×(14+208÷26)
42. (284+16)×(512-8208÷
18)
43. 120-36×4÷18+35
44. (58+37)÷(64-9×5)
45. (6.8-6.8×0.55)÷8.5
46. 0.12× 4.8÷0.12×4.8
47. (3.2×1.5+2.5)÷1.6
48. 3.2×(1.5+2.5)÷1.6 49. 6-1.6÷4
50. 5.38+7.85-5.37 51. 7.2÷0.8-1.2×5
52. 6-1.19×3-0.43 53. 6.5×(4.8-1.2×4)
54. 0.68×1.9+0.32×1.9 55. 10.15-10.75×0.4-5.7
56. 5.8×(3.87-0.13)+4.2×
3.74
57. 32.52-(6+9.728÷3.2)×
2.5
58. [(7.1-5.6)×0.9-1.15] ÷
2.5
59. 5.4÷[2.6×(3.7-2.9)
+0.62]
60. 12×6÷(12-7.2)-6 61. 12×6÷7.2-6 62. [(5.84-3.9)/0.4+0.15]*0.9263. 4.38/(36.94+34.3*0.2)
64. (284+16)*(512-8208/18) 65. 5.4/[2.6*(3.7-2.9)+0.62] 66. 6.32.52-
(6+9.728/3.2)*2.5
67. 8*(3.87-0.13)+4.2*3.7
68. 8/9*[15/16*(7/16-1/4)/1/2]
69. [5 1/2-1.04*(1
2/3+5/6)]/2.9
70. 6 3/7 /3/7-[(7-0.5)*1/4]
71. (0.75+0.2)/0.25*25%+12/0.7
5+7.2/2.4