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1、脫式計(jì)算
1. 3.8+4.29+2.71+6.2
2. 12.5—0.78—3.22
3. 12.899+12.8
4. 1.253.22.5
5. 12.6101—12.6
6. 38.52.50.4
7. 6.710.1
8. 6.5101
9. 4.8598
10. 1.22.5+0.82.5
11. 2817.5—287.5
12. 4.812.5
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+
2、1.12+8/13
18. 11-4/11-7/11
19. 22+5511-2/8
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 - 7.680.5
27. 5.2+4.83.5
28. 30.8[14-(9.85+1.07)]
29. [60-(9.5+28.9)]0.18
30. 2.8810.43-0.243.5
31. 20
3、[(2.44-1.8)0.4+0.15]
32. 28-(3.4+1.252.4)
33. 2.557.1+2.457.1
34. 7779+11113
35. 0.8〔15.5-(3.21+5.79)〕
36. (31.8+3.24)5
37. 31.54(6+3)
38. 0.64257.8+2.2
39. 22.5+2.52
40. 194-64.81.80.9
41. 36.724.259.9
42. 5180-7056
43. 242.4-2.50.8
44. (4121+2389)7
45. 67115-974
46. 4691
4、2+1492
47. 405(3213-3189)
48. 3.416(0.01635)
49. 0.8[(10-6.76)1.2]
50. 19.46.12.3
51. 5.670.2-0.62
52. 18.10.92+3.93
53. 0.0430.24+0.875
54. 0.40.70.25
55. 0.75102
56. 100-56.23
57. 0.78+5.436+1
58. 4.070.86+9.12.5
59. 30.8[14-(9.85+1.07)]
60. [60-(9.5+28.9)]0.18
61. 2.8810.43-0.
5、243.5
62. 20[(2.44-1.8)0.4+0.15]
63. 28-(3.4+1.252.4)
64. 2.557.1+2.457.1
65. 7779+11113
66. 0.8〔15.5-(3.21+5.79)〕
67. (31.8+3.24)5
68. 31.54(6+3)
69. 0.64257.8+2.2
70. 22.5+2.52
71. 194-64.81.80.9
72. 36.724.259.9
73. 5180-7056
74. 242.4-2.50.8
75. (4121+2389)7
76. 67115-97
6、4
77. 46912+1492
78. 405(3213-3189)
79. 3.416(0.01635)
80. 0.8[(10-6.76)1.2]
81. 19.46.12.3
82. 5.670.2-0.62
83. 18.10.92+3.93
84. 0.0430.24+0.875
85. 0.40.70.25
86. 0.75102
87. 100-56.23
88. 1/3 + 3/4 + 1/5
89. 3/8 + 8/3 - 1/2
90. 5/6 + 1/12 + 3/4
91. 19/8 - 1/2 - 3/4
92. 7/25 +
7、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
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
109. 11/12+1/6-5/24
110. 5/6-5/7+1/6-1/7