小学一年级下册20以内退位减法练习题（100道）
- 8-3= 2. 7-5= 3. 6-2= 4. 9-1=
- 5-2= 6. 4-3= 7. 8-7= 8. 9-8=
- 5-1= 10. 6-4= 11. 9-2= 12. 8-6=
- 7-4= 14. 6-1= 15. 9-5= 16. 8-4=
- 4-2= 18. 6-3= 19. 9-3= 20. 8-2=
- 5-3= 22. 4-1= 23. 9-4= 24. 8-5=
- 3-1= 26. 2-1= 27. 5-4= 28. 7-6=
- 8-1= 30. 9-7= 31. 6-5= 32. 4-4=
- 7-2= 34. 5-5= 35. 9-6= 36. 8-8=
- 3-2= 38. 2-2= 39. 6-6= 40. 7-3=
- 8-9= 42. 9-9= 43. 4-3= 44. 5-1=
- 9-1= 46. 7-4= 47. 6-2= 48. 8-1=
- 5-2= 50. 4-4= 51. 9-2= 52. 8-3=
- 7-5= 54. 5-3= 55. 6-3= 56. 9-4=
- 8-6= 58. 4-2= 59. 3-1= 60. 2-1=
- 9-6= 62. 7-2= 63. 6-4= 64. 8-7=
- 5-4= 66. 4-1= 67. 9-5= 68. 8-4=
- 7-3= 70. 6-1= 71. 3-2= 72. 2-2=
- 5-5= 74. 9-3= 75. 8-5= 76. 6-5=
- 4-3= 78. 2-1= 79. 9-7= 80. 8-8=
- 5-1= 82. 7-6= 83. 9-9= 84. 8-9=
- 6-2= 86. 4-4= 87. 9-1= 88. 8-2=
- 7-4= 90. 5-2= 91. 6-3= 92. 9-2=
- 8-4= 94. 4-3= 95. 3-1= 96. 2-2=
- 5-3= 98. 9-5= 99. 8-6= 100. 7-5=
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