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脱式计算

1. 3.8+4.29+2.71+6.2

2. 12.5—0.78—3.22

3. 12.8×99+12.8

4. 1.25×3.2×2.5 5. 12.6×101—12.6

6. 38.5÷2.5÷0.4

7. 6.7×10.1

8. 6.5×101 2 / 12

9. 4.85×98

10. 1.2×2.5+0.8×2.5

11. 28×17.5—28×7.5

12. 4.8×12.5

13. 6/7＋2/15＋1/7＋13/15 14. 19/21＋5/7－3/14

15. 2/3＋5/9－2/3＋5/9

16. 8/9+（1/4－1/9）+3/4

17. 0.58+5/13+1.12+8/13

18. 11-4/11-7/11 3 / 12

19. 22+55÷11-2/8

20. 1/7+33.5+6/7-3.5

21. 7.09-5/12+12.03-7/12

22. 14/15－（6/15 +1/3）

23. 13/5－0.81 －0.19 24. 7/8+1/8 －5/9 －4/9

25. 5 －（0.5 －3/10 ）

26. 7.68 - 7.68×0.5

27. 5.2＋4.8×3.5

28. 30.8÷[14－(9.85＋1.07)] 4 / 12

29. [60－(9.5＋28.9)]÷0.18

30. 2.881÷0.43－0.24×3.5

31. 20×[(2.44－1.8)÷0.4＋0.15]

32. 28-(3.4+1.25×2.4)

33. 2.55×7.1+2.45×7.1 34. 777×9+1111×3

35. 0.8×〔15.5-(3.21+5.79)〕

36. （31.8+3.2×4）÷5

37. 31.5×4÷(6+3)

38. 0.64×25×7.8+2.2 5 / 12

39. 2÷2.5+2.5÷2

40. 194－64.8÷1.8×0.9

41. 36.72÷4.25×9.9

42. 5180－705×6

43. 24÷2.4－2.5×0.8 44. (4121+2389)÷7

45. 671×15-974

46. 469×12+1492

47. 405×(3213-3189)

48. 3.416÷（0.016×35） 6 / 12

49. 0.8×[(10－6.76)÷1.2]

50. 19.4×6.1×2.3

51. 5.67×0.2-0.62

52. 18.1×0.92+3.93

53. 0.0430.24+0.875 54. 0.4×0.7×0.25

55. 0.75×102

56. 100-56.23

57. 0.78+5.436+1

58. 4.07×0.86+9.12.5 7 / 12

59. 30.8÷[14－(9.85＋1.07)]

60. [60－(9.5＋28.9)]÷0.18

61. 2.881÷0.43－0.24×3.5

62. 20×[(2.44－1.8)÷0.4＋0.15]

63. 28-(3.4+1.25×2.4) 64. 2.55×7.1+2.45×7.1

65. 777×9+1111×3

66. 0.8×〔15.5-(3.21+5.79)〕

67. （31.8+3.2×4）÷5

68. 31.5×4÷(6+3) 8 / 12

69. 0.64×25×7.8+2.2

70. 2÷2.5+2.5÷2

71. 194－64.8÷1.8×0.9

72. 36.72÷4.25×9.9

73. 5180－705×6 74. 24÷2.4－2.5×0.8

75. (4121+2389)÷7

76. 671×15-974

77. 469×12+1492

78. 405×(3213-3189) 9 / 12

79. 3.416÷（0.016×35）

80. 0.8×[(10－6.76)÷1.2]

81. 19.4×6.1×2.3

82. 5.67×0.2-0.62

83. 18.1×0.92+3.93 84. 0.0430.24+0.875

85. 0.4×0.7×0.25

86. 0.75×102

87. 100-56.23

88. 1/3 + 3/4 + 1/5 10 / 12

89. 3/8 + 8/3 - 1/2

90. 5/6 + 1/12 + 3/4

91. 19/8 - 1/2 - 3/4

92. 7/25 + 3/10 - 2/5

93. 8/15 + 7/3- 8/5 94. 2/3+1/6+3/24+2/21

95. 5\2-(3\2+4\5)

96. 7\8+1\8+1\9

97. 9\7-(2\7-10\21)

98. 240\400+12\400-150\400 11 / 12

99. 2\3+5\9-2\3+5\9

100. 186\240+88\240+252\240

101. 6\7+2\15+1\7+13\15

102. 8\9+1\4+1\9+3\4

103. 2\3+5\9-2\3+5\9 104. 7/12-5/24+2/3

105. 1/2-1/3-1/6

106. 4/7+5/11+5/7

107. 5/8+2/11+9/11

108. 17/24+5/12-11/24 12 / 12

109. 11/12+1/6-5/24 110. 5/6-5/7+1/6-1/7