1、口试——计算 班级________姓名_________ 1. 5.42×1.25×8= 2. 2400×0.1×0.5= 3. 12.5×0.8÷12.5×0.8= 4. 3×0.87÷0.87×2= 5. 0.375×101-0.375= 6. 100-2×0.3748×50= 7. 34.82-(6.25+14.82)= 8. 0.36×7.5+0.036×25= 9. 54×0.208+0.66×20.8-2.08= 10. 9+99+999+9999+4= 11. 6.25×13.9÷4.67÷13.9×4.67÷12.5= 12. (2.25×6.75+6
2、75×0.75)÷(0.25×1.2) 13. 4324-998-998-999= 14. 667×9+999×3= 15. 14.25×13.5+5.75×13.5-20×13.4= 16. 9×19992+72= 17. 0.268×(48.2+20.7+51.8+4.3)×8.88÷268= 18. 161.8×6.18+2618×0.382= 19. 484×966÷968-483= 20. 8×(3.1-2.85)×(1.62+2.38)×12.5= 21. 2098-5.5×7.5-0.25×55-45= 22. 8888×7+1111×44= 23. 17
3、48×37-174.8×1.9+1.748×820= 24. 98+998+9998+99998= 25. 0.75+9.75+99.75+999.75+3= 26. 111+222+333+444+555= 27. 1234+2341+3412+4123= 28. 385×96+38.5+50= 29. 24×172-12×7.1×20-24= 30. 6.2×340+38×20+38×14= 31. 37×18+27×42= 32. 123+234+345+456+567+678= 33. 28×1111+9999×8= 34. 7456789-7456788+74
4、56787-7456786+7456785= 35. 1999+1998-1997-1996+1995+1994-1993-1992+1991+1990= 36. 9999×9999+19999= 37. 6.25×0.16+264×0.0625+5.2×625+0.625×20= 38. 0.125×0.25×0.5×64= 39. 0.525÷13.125÷4×85.2= 40. (4.8×7.5×8.1)÷(2.4×2.5×2.7)= 41. 9.81×0.1+0.5×98.1+0.049×981= 42. 13.9÷(13.9×4) 43. 1.31×12.5×0.1
5、5×8×2= 44. 2÷3×(3÷4)×(4÷5)×(5÷6)×(6÷7)×(7÷8)= 45. 1÷(2÷3)÷(3÷4)÷(4÷5)÷(5÷6)÷(6÷7)÷(7÷8)= 46. 8888×3333+6667×3333+6667×5555= 47. 82×65+84×35= 48. 11×22+22×33+33×44+44×55= 49. 3400-62×34-38×20-38×14= 50. 77777×333÷33333= 51. 0.125×0.25×64×0.5= 52. 8888×7+1111×4= 53. 1.24×5.86÷12.4×2.86÷58.6÷
6、0.286= 54. 2÷18+6÷27+8÷36+20÷45= 55. 2098-5.5×7.5-0.25×55-45= 56. 1996+1995-1994-1993+1992+1991-1990-1989+……+8+7-6-5+4+3-2-1= 57. 1+2-3-4+5+6-7-8+……+1998= 58. 98+998+9998+99998= 59. 1-2+3-4+……-1994+1995= 60. 0.75+9.75+99.75+999.75+1= 61. (2+4+6+……+1996)-(1+3+5+……1995)= 62. 161.8×6.18+2618×0
7、382= 63. 8×(3.1-2.85)×(1.62+2.38)×12.5= 64. 484×966÷968-483= 65. 14.25×13.05+5.75×13.05-20×13.4= 66. 65×999+125×72= 67. 75×17-13×75-[3+4÷2×5-(5-2)]×7 68. 99999×77778+33333×66666 69. 1234567892-1234567882= 70. 7.5×47+15.9×25= 71. (275+326×274)÷(275×326-51)= 72. 0.12+0.32= 73. 3-16÷5+0.2=
8、 74. 1994÷(20×1994)= 75. (0.125+125+125)×8= 76. 2.5×5.73×12.5×0.0032= 77. (0.125+125+125)×8= 78. 2.5×5.73×12.5×0.0032= 79. 0.97×(151-26.5÷0.5-1.5÷0.75)÷0.97= 80. 17×25+34×50+51×75-25×14= 81. (19921991×199119911992-19911991×199219921993)×1994= 82. (6-0.558)÷9.07×(0.7-0.7) 83. 0.25×8÷20-0.078
9、5÷7.85= 84. (1+0.97+0.215)×(0.97+0.215+0.567)-(1+0.97+0.215+0.567)×(0.97+0.215) 85. (12×21×45×10.2)÷(15×4×0.7×51) 86. 1986-1983+1980-1977+……+6-3 87. 3+5+7+……+61+63+78+80+82+……+96+98= 88. 302-292+282-272+……+22-12= 89. 1994-1993+1992-1991+……+26-25+24-23= 90. 4253×7236+7678×2764+3425×7236= 91.
10、1994×0.75-(992+99+70)×0.05 92. [(12.5+1.25+0.125)×80-99.9]÷0.03= 93. 1.285×67.875+125×67.875÷1250×0.053375= 94. 111111111×111111111= 95. 1-1÷10-1÷100-1÷1000……-1÷10000000000= 96. (1234567891)2-1234567890×1234567892= 97. 79998+79997+7997+797+78= 98. (3+5)+(3+5×2)+(3+5×3)+……+(3+5×99)+(3+5×100)= 99. 1+2+4+8+……+256= 100. 3.33×2.5×0.032×375= 第 8 页 共 8 页
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