第1单元 观察物体（三）-【优佳好】2023-2024学年五年级下册数学口算计算能力提升（人教版）

单元 1 　 第 1 课时　 观察物体(1)(教材 P2) 5 年级 下 R 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　8. 4 ÷ 0. 4 = 1. 5 × 0. 6 = 5. 4 ÷ 6 = 0. 48 ÷ 0. 04 = 15 × 0. 5 = 17 ÷ 0. 5 = 1. 5 × 4 = 2. 5 × 40 = 3. 2 ÷ 0. 8 = 0. 8 × 10 = 1. 2 × 0. 3 = 0. 36 ÷ 0. 3 = 0. 7 × 0. 5 = 3. 3 ÷ 10 = 0. 33 ÷ 0. 3 = 1. 2 ÷ 0. 5 = 1. 6 × 3 = 0. 13 × 4 = 5. 4 ÷ 10 = 0. 45 ÷ 1. 5 = 3. 6 ÷ 0. 1 = 8. 5 ÷ 100 = 3. 6 ÷ 0. 1 = 8. 5 × 100 = 3. 2 ÷ 100 = 0. 18 × 0. 3 = 8. 5 ÷ 1. 7 = 1. 2 ÷ 0. 3 = 0. 04 × 25 = 84 ÷ 4. 2 = 1. 4 × 0. 2 = 0 × 0. 25 = 6. 4 ÷ 0. 8 = 5. 1 ÷ 0. 17 = 7. 35 ÷ 0. 01 = 32 × 0. 5 = 4. 3 × 100 = 7. 2 ÷ 6 = 0. 96 ÷ 0. 8 = 4. 3 × 0. 3 = 6. 5 × 4. 4 = 　 　 　 　 　 　 　 　 　 　 0. 676 ÷ 2. 6 = 　 　 　 　 　 　 　 　 　 　 40. 8 ÷ 0. 24 = 12. 8 × 0. 64 = 103. 2 ÷ 4. 3 = 3. 06 × 1. 2 = 1 单元 1 　 第 2 课时　 观察物体(2)(教材 P2) 5 年级 下 R 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　1. 25 × 0. 8 = 100 ÷ 0. 25 = 4. 2 ÷ 0. 06 = 0. 3 × 0. 3 = 6 ÷ 1. 2 = 0. 63 ÷ 0. 1 = 2. 1 × 7 = 0. 25 × 0. 4 = 6. 3 ÷ 0. 07 = 4. 2 ÷ 1. 4 = 0. 78 ÷ 0. 6 = 7. 28 ÷ 4 = 8. 8 × 0. 25 = 1. 23 ÷ 3 = 0. 13 ÷ 1. 3 = 15. 9 ÷ 0. 3 = 3. 12 ÷ 0. 3 = 1. 9 + 3. 15 = 7. 3 - 2. 42 = 1. 8 + 5. 2 = 0. 25 × 4 = 0. 38 × 0. 5 = 8. 5 × 0. 5 = 36 ÷ 3. 6 = 1. 56 + 5. 16 = 8. 71 - 0. 5 = 4. 5 - 0. 09 = 2. 6 ÷ 0. 26 = 8. 4 ÷ 4. 2 = 10 ÷ 0. 25 = 10. 5 - 0. 08 = 7. 8 - 0. 78 = 50 ÷ 0. 5 = 3. 6 ÷ 0. 06 = 0. 48 ÷ 10 = 9. 4 - 1. 32 = 6. 38 × 4. 5 = 　 　 　 　 　 　 　 　 　 18. 24 ÷ 3. 8 = 　 　 　 　 　 　 　 　 　 63. 3 ÷ 0. 15 = 5. 25 ÷ 1. 5 = 3. 06 × 65 = 9. 87 ÷ 0. 37≈ 验算: (保留一位小数) 2 单元 1 　 第 3 课时　 练习课(教材 P3) 5 年级 下 R 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　7. 5 ÷ 2. 5 = 4. 4 - 0. 8 = 7. 3 + 2. 9 = 4. 05 × 20 = 5. 6 ÷ 8 = 85 ÷ 1. 7 = 0. 65 + 0. 25 = 1. 34 + 0. 56 = 10 - 1. 75 = 1. 86 ÷ 0. 3 = 2. 55 ÷ 0. 5 = 1. 62 ÷ 0. 6 = 0. 36 ÷ 0. 6 = 0. 8 × 0. 14 = 1. 78 ÷ 0. 1 = 2 × 0. 15 = 0. 2 × 0. 02 = 0. 8 ÷ 0. 5 = 1 ÷ 0. 2 = 10 × 3. 78 = 0. 25 ÷ 4 = 0. 036 × 100 = 11 × 0. 1 = 9 × 0. 05 = 0. 49 ÷ 0. 07 = 50 × 0. 4 = 20 × 0. 5 = 1.