1、19. 20.21. 22. 23. ()(154) 24. (2.4) 25. 2()(5) 26. 15(113)(1) 27. (5)5 28. (+)() 29. 130.34+(13)0.34 30.(13)(134)31.(4)(5)+(4)3 32. (1650+3)(2) 33.(0.5)(3)+6.75534. 17887.21+43+5312.79 35.(6)(4)+(32)(8)3 36. ()+|1| 37.(9)(4)+ (60)12 38. ()1+() 39. |3|10(15) 40. 1()2 41. (23+1)(1)(7)42. 43. 44. 45、
2、46. 47. 0348. 49. 50.(1) 0 51. 52. 53. 54. 55. 56. 57. 58. 59. 60.61. 62、 63、64、 65、 65、 66、 67、 68、 69、 70、 72、73、 74、 71(919) 75 、25(25)25() 76、 76、 77、 22 32 + ( 2)4 23 78、 80、81. 82. 83. 84. 85. 86. (1.76)+(19.15)+ (8.24) 87. 23+(17)+(+7)+(13)88. (+ 3)+(2)+ 5+(8) 89. +()90. 3(+5)(1)+(5)91. 99 +
3、10097 + 9895 + 96+2 92. 123410093. (4)(9)+()94. (6)0 -(2)95、 100(0.7+ 0.03) 96. (11)+(11)997. ()+2(1) 98. (18)(9)+(63)(-7) 99. 0(105)+1(9)100. (5)8(7)+(6)(5)(7)-(12)2.4509100 有理数混合运算100题参考答案1.=18 2. = 3. =0 4. =23 5. =4 6. =3 7. =8 8. =459. =28 10. =111. 12. =8+251 =48+880 =31 =12013. = 14. =1 15. =
4、9 16. =17. 18. =1+ = =81 =1 19. =254 =2020.=(57+12) (3)=021. 22. =1080 =90 =99= 23.()4) 24. (2.4)= =10+948+35=6 25. 2(5) =(1) =153(- )=12(-)= -=-=-927. 5=25 () =(+)42 =142+912=929.130.34 =13(13)0.340.34 =130.34=13.3430. (13)()=231.(4)(5)+(4)3=8+1=632.(1650+3)(2) 33.(0.5)(3)+6.755 =8+251 =31 =(0.5)5+
5、6.75(3.25)=4 34. 17887.21+43+5312.79 35.(6) =17887.2112.79+43+53 =24+43 =178100+97 =25 =17536. ()+|1| =1 37.(9)12 =366=3137. 38. ()1+() 39. |3| =+(42) =+5 =27+7216=83 =4 40.12 41. (23+1)= =(+)= =(+)6 =1421+=4 42. 43. 44. =68 =4096 = =69=5445. =2 46. =427+1 =30 =24 48. =4=1 50. 0 =0 =1+32=31 51. 0 52. 25 53.-12 54. -355. -6 56. 57.- 58. -2559.= -18 60. =-0.261.= 0 62、 =-63、=- 64、= 365、 = -24 66、 =67、 = 68
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