分数混合运算题

1、28/9 X15/36 + 1/27=17. 4/5 X25/16 + 2/3 X3/4=18. 14 X3/7 5/6 X2/15=19. 17/32 3/4 X9/24=20. 3 X2/9 + 1/3=21. 5/7 X3/25 + 3/7=3. 12 X5/6 2/9 X3=4. 8 X5/4 + 1/4=56 +3/8 3/8 +6=22. 3/14 X2/3 + 1/6=6. 4/7 X5/9 + 3/7 X5/9=23. 1/5 X2/3 + 5/6=7. 5/2 (3/2 + 4/5)=8. 7/8 +(1/8 + 1/9)=24. 9/22 + 1/11 +1/2=9.9 X

2、5/6 + 5/6=25. 5/3 X11/5 + 4/3=26. 45 X2/3 + 1/3 X15=10. 3/4 X8/9 1/3=11. 7 X5/49 + 3/14=27. 7/19 + 12/19 X5/6=12. 6 X(1/2 + 2/3)=28. 1/4 + 3/4 +2/3=13. 8 X4/5 + 8 X11/5=29. 8/7 X21/16 + 1/2=14. 31 X5/6 5/6=34. 5/6+5/3 >4/5=35. 5/8 1/4 >8/9 煜/3)=36. (1/2-1/6) X3/5 勻/5=37. 1/6 9/17 >3/4+2/3)=

3、38. 11/12-1/4+3/10 -3/5=39. 2/3 F(3/4-1/2) X4/5=40. 2/5+4/15-2/5=41. 6/7 X5/8+3/8 F/6=42. (7/11-3/8) X 88=43. 13-48 X(1/12+1/16)=44. 4/5 七+2/3 X4/5=45. 2/5+1/2 X3/5+7/10=50. 7/9 +11/5 + 2/9 X5/1仁51. (1/6+3/4-2/3) X 12=52. 2-6/13 +9/26-2/3=53. 1/2 +5/8 1/4 X3/5=54. 3/4 X2/5 1/4 +5/2=55. 10/21 X7/20 +

4、5/6-1/4=56. 45 X43/44=57. (3/8-1/4) +3/8=58. 3/8 +(3/8-1/4)=59. 5/6 X4-(7/8 2/3)=60. 5-7/8-0.125=61. 1/10 +2/3+4/3 X3/5=62. 5/6-(3/4-1/2)X9/8=65.66.67.68.69.70.71.72.73.74.75.76.77.78.(5/4 X2/3+3/4 X2/3)吃/3=81. (9/4-3/2) X8/3=8/15+(1/12-8/15) X15/14=82. (3/8-0.125) X4/13=2-(8/5+1/3) X15/4=83. 4/7 &#

5、163;/2+4/7 £=1/4 X3/8+5/8 *84. (1-1/2-1/4)出/8=3/2+0 X1/6+5/11) X3/2=85. 12 它1+1/3-5/6)=2/5 X2/3+8/9+11/15=86. 2/5 X4 -42/5 X4127X4/25-26 X4/25-4/25=87. 3/4-3/4 占 + 3/5=102X100/101=88. 5-3/2 X10/21-2/7=27X23/25=89. 2/5 X(3/4+1/5) 419/10=4/7 X15/22 X7/12=90. 6/13 47/11 X(1-3/7)=12 X(11/12-3/48)=91. 7/12-(1/4-5/12)=9/10 X13/17 9/10 X 4/17=92. 3/4 X2/5+3/4 X0.6=11/13-11/13 X 13/33=93. 7/25 X8/11+7/25 411/3=96. 3/4-(1/7-1/4)=97. 1/30