
有理数混合运算100题有答案ok.doc
15页有理数混合运算100题(有答案)1. 2. 3. 4. 5. 6. 7. 8. 9、 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20.21. 22. 23. (-)×(-15×4) 24. (-2.4) 25. 2÷(-)×÷(-5) 26. [15-(1÷1+3)]÷(-1) 27. ×(-5)÷(-)×5 28. -(-+-)÷(-) 29. -13×-0.34×+×(-13)-×0.34 30.(-13)×(-134)××(-)31.(-4)-(-5)+(-4)-3 32. (-16-50+3)÷(-2) 33.(-0.5)-(-3)+6.75-5 34. 178-87.21+43+53-12.79 35.(-6)×(-4)+(-32)÷(-8)-3 36. --(-)+|-1| 37.(-9)×(-4)+ (-60)÷12 38. [(-)-1+]÷(-) 39. -|-3|÷10-(-15)× 40. -1×(-)÷2 41. (2-3+1)÷(-1)×(-7)42. + 43. ×× 44. ×-45、++ 46. -×- 47. 0-÷3× 48. ×÷ 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、 7×1÷(-9+19) 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 + 100–97 + 98–95 + 96–……+2 92. –1–2–3–4–……–10093. (–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)×2.45×0×9×100 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. =-45 9. =-28 10. =111. 12. =8+25-1 =-48+8-80 =31 =-12013. =- 14. =-1 15. =9 16. =17. 18. =-1+ =81××× = =119. =-25-[-4-] =-2020.=(-5-7+12) ×(-3)=021. 22. =-10-80 =9--9 =-90 =-23.(-)×(-15×4) 24. (-2.4)= =10+9-48+35=6 25. 2÷(-)×÷(-5) =26. [15-(1÷1+3)]÷(-1) =[15-×-3]×(- )=[12-×]×(-)= -×=-=-927.×(-5)÷(-)×5 28. -(-+-)÷(-) =25 =(-+-)×42 =14-2+9-12=929.-13×-0.34×+×(-13)-×0.34 =[-13×+×(-13)]-0.34×-×0.34 =-13-0.34=-13.3430. (-13)×(-134)××(-)=-231.(-4)-(-5)+(-4)-3=-8+1=-632.(-16-50+3)÷(-2) 33.(-0.5)-(-3)+6.75-5 =8+25-1 =(-0.5)-5+6.75-(-3.25) =31 =434. 178-87.21+43+53-12.79 35.(-6)×(-4)+(-32)÷(-8)-3 =178-87.21-12.79+43+53 =24+4-3 =178-100+97 =25 =17536.--(-)+|-1| 37.(-9)×(-4)+ (-60)÷12 =1 =36-6=3138. [(-)-1+]÷(-) 39. -|-3|÷10-(-15)× =[--+]×(-42) =-+5 =27+72-16=83 =4 40.-1×(-)÷2 41. (2-3+1)÷(-1)×(-7)=-×(-)× =(-+)×(-)×(-7)= =(-+)×6 =14-21+=442. + 43. ×× 44. ×- =-68 ===4096 =×× =-6×9=-5445.++ 46. -×- =2 =-4-27+1 =-30 。












