第6单元 小数的加法和减法-【优佳好】2023-2024学年四年级下册数学口算计算能力提升（人教版）

单元 6 　 第 1 课时　 小数加减法(1)(教材 P72) 4 年级 下 R 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　2. 7 + 1. 5 = 5. 2 + 5. 2 = 6. 8 - 3. 5 = 0. 8 + 1. 2 = 0. 9 + 1. 2 = 4. 7 - 0. 9 = 4. 3 - 2. 6 = 1. 8 + 2. 9 = 6. 5 - 1. 5 = 3. 2 - 1. 6 = 6. 2 + 0. 4 = 6. 8 - 1. 5 = 9. 1 - 7. 6 = 8. 1 + 2. 8 = 1. 34 - 0. 72 = 2. 6 + 1. 5 = 1. 99 + 0. 81 = 0. 58 + 0. 42 = 0. 68 + 0. 06 = 5. 2 + 0. 8 = 1. 3 + 2. 7 = 3. 6 + 4. 8 = 0. 78 - 0. 28 = 20. 9 - 9. 7 = 6. 6 - 4. 5 = 1. 73 + 4. 32 = 9. 2 - 4. 7 = 8. 14 + 2. 15 = 2. 8 - 1. 9 = 3. 8 - 2. 7 = 0. 71 + 6. 56 = 3. 47 + 12. 58 = 4. 8 + 5. 3 = 4. 18 + 2. 07 = 5. 36 - 0. 8 = 2. 17 + 5. 83 = 4. 95 + 0. 96 = 　 　 　 　 　 　 　 60. 1 - 32. 5 = 　 　 　 　 　 　 　 36. 57 - 26. 88 = 12. 44 - 0. 38 = 56. 3 - 49. 7 = 1. 03 - 0. 94 = 84 单元 6 　 第 2 课时　 小数加减法(2)(教材 P73) 4 年级 下 R 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　0. 5 + 1. 8 = 4. 3 - 2. 6 = 0. 7 + 2. 4 = 3. 6 - 1. 8 = 4. 2 - 2. 2 = 2. 6 + 1. 4 = 3. 8 + 2. 7 = 2. 5 + 3. 2 = 1. 38 + 0. 22 = 9. 8 - 4. 8 = 5. 1 - 3. 9 = 9 + 0. 5 = 10 - 0. 8 = 2. 9 - 1. 9 = 0. 7 + 0. 33 = 6. 89 - 0. 08 = 6. 6 + 3 = 1 - 0. 07 = 6. 3 + 2. 7 = 1. 2 - 0. 8 = 0. 25 + 0. 75 = 8 - 0. 8 = 9. 12 - 8. 9 = 10 - 5. 5 = 8. 4 + 1. 7 = 3. 7 - 0. 8 = 9. 25 - 0. 7 = 0. 82 + 0. 2 = 6. 4 + 4. 6 = 0. 69 - 0. 6 = 5. 89 - 0. 98 = 3. 78 - 1. 2 = 8. 1 - 2. 7 = 6. 93 - 2. 8 = 5. 08 + 1. 47 = 8. 06 + 4. 29 = 20. 5 - 19. 7 = 　 　 　 　 　 　 　 1. 69 + 3. 7 = 　 　 　 　 　 　 　 16. 03 - 7. 2 = 13. 8 + 5. 56 = 27 - 0. 49 = 4. 84 + 0. 49 = 94 单元 6 　 第 3 课时　 练习课(教材 P74) 4 年级 下 R 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　4. 1 + 0. 5 = 5. 6 + 0. 4 = 5 - 0. 9 = 6 + 0. 8 = 10 + 6. 1 = 2. 6 + 6. 2 = 8. 8 + 0. 8 = 9. 1 + 5. 6 = 8. 7 + 6. 5 = 4. 4 + 0. 6 = 0. 44 + 1. 2 = 0. 32 + 2 = 0. 45 + 1. 5 = 9 - 0. 7 = 4 - 2. 5 = 6 - 5. 8 = 8. 4 - 5. 2 = 1. 7 + 0. 56 = 12 + 0. 5 = 2. 6 + 1. 2 = 2. 3 - 1. 2 = 3. 2 - 1. 6 = 9 - 2. 8 = 5. 6 - 1. 4 = 1. 6 + 2. 4 = 0. 8 + 0. 25 = 3. 6 + 1. 7 = 9. 6 + 0. 2 = 20 + 0. 32 = 30 - 1. 7 = 12. 5 + 0. 6 = 12 - 4. 5 = 9. 7 -