分数混合运算100题.doc

1. 3/749/9 - 4/3=2. 8/915/361/27=3. 125/62/93=4. 85/41/4=5. 63/83/86=6. 4/75/9 + 3/75/9=7. 5/2(3/2 + 4/5)=8. 7/8 +(1/8 + 1/9)=9. 95/6 + 5/6=10. 3/48/91/3=11. 75/49 + 3/14=12. 6(1/2 + 2/3)=13. 84/5 + 811/5=14. 315/65/6=15. 9/7(2/710/21)=16. 5/918142/7=17. 4/525/16 + 2/33/4=18. 148/75/612/15=19. 17/323/49/24=20. 32/9 + 1/3=21. 5/73/25 + 3/7=22. 3/142/3 + 1/6=23. 1/52/3 + 5/6=24. 9/22 + 1/111/2=25. 5/311/5 + 4/3=26. 452/3 + 1/315=27. 7/19 + 12/195/6=28. 1/4 + 3/42/3=29. 8/721/16 + 1/2=30. 1011/51/521=31. (2/32/9)(5/87/16)=32. 2/53/41/24=33. 8/15(7/122/5)15/14= 34. 5/6+5/34/5=35. 5/81/4(8/92/3)=36. (1/2-1/6)3/51/5=37. 1/69/17(3/4+2/3)=38. 11/12-1/4+3/103/5=39. 2/3(3/4-1/2)4/5=40. 2/5+4/15-2/5=41. 6/75/8+3/87/6=42. (7/11-3/8)88=43. 13-48(1/12+1/16)=44. 4/53+2/34/5=45. 2/5+1/23/5+7/10=46. 12/133/74/712/1312/13=47. (7/8-5/16)(5/9+2/3)=48. 8/1371/76/13=49. 1-(1/4+3/8)1/4=50. 7/911/52/95/11=51. (1/6+3/4-2/3)12=52. 2-6/139/26-2/3=53. 1/25/81/43/5=54. 3/42/51/45/2=55. 10/217/205/6-1/4=56. 4543/44=57. (3/8-1/4)3/8=58. 3/8(3/8-1/4)=59. 5/64-(7/82/3)=60. 5-7/8-0.125=61. 1/102/3+4/33/5=62. 5/6-(3/4-1/2)9/8=63. 7/9(1/3+1/4)4=64. (14/25+14/17)14/17=65. (5/42/3+3/42/3)2/3=66. 8/15+(1/12-8/15)15/14=67. 2-(8/5+1/3)15/4=68. 1/43/8+5/84=69. 3/2+0(1/6+5/11)3/2=70. 2/52/3+8/9+11/15=71. 1274/25-264/25-4/25=72. 102100/101=73. 2723/25=74. 4/715/227/12=75. 12(11/12-3/48)=76. 9/1013/179/104/17=77. 11/13-11/1313/33=78. 369/37=79. 9/268/138/27=80. 16/399/1416/394/9=81. (9/4-3/2)8/3=82. (3/8-0.125)4/13=83. 4/73/2+4/73=84. (1-1/2-1/4)1/8=85. 12(1+1/3-5/6)=86. 2/542/5487. 3/4-3/433/5=88. 5-3/210/21-2/7=89. 2/5(3/4+1/5)19/10=90. 6/137/11(1-3/7)=91. 7/12-(1/4-5/12)=92. 3/42/5+3/40.6=93. 7/258/11+7/2511/3=94. 7/25101-7/25=95. 1/41/510=96. 3/4-(1/7-1/4)=97. 1/301/51/5=98. 7/911/52/95/11=99. 5/125/67/126/5100. 1/51/24/53/8=