五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| 7.3 × 1.1 = | 3.49 × 7.11 ≈ (保留两位小数) | (0.9 + 4.5) × 1.7 = |
| 6.12 × 9.41 ≈ (保留两位小数) | 3.6 × 2.5 × 4 = | 7.7 × 21 = |
| 5.44 × 1.04 ≈ (保留两位小数) | (3.2 + 2.2) × 3.0 = | 8.9 × 8.3 = |
| 0.9 × 46 = | (4.7 + 3.9) × 3.3 = | 7.8 × 8.1 = |
| 5.9 × 45 = | 1.6 × 4 × 2.5 = | 0.3 × 4.2 = |
| 0.7 × 17 = | 6.5 × 7 = | 0.5 × 5.8 × 2 = |
| 7.5 × 13 = | 0.2 × 5 × 4.5 = | 3.5 × 5 × 0.2 = |
| 2.5 × 33 = | 1.1 × 46 = | (2.4 + 1.0) × 1.2 = |
| 8 × 4.8 × 0.125 = | 6.8 × 0.25 × 4 = | 0.3 × 4.6 = |
| 5.1 × 1.2 = | 1.9 × 36 = | 8.8 × 3.7 = |
| 0.3 × 31 = | (0.5 + 2.8) × 2.0 = | (3.5 + 0.2) × 0.7 = |
| 2.51 × 5.9 ≈ (保留两位小数) | 5.8 × 2.6 = | 7.3 × 4.3 = |
| 2.23 × 7.7 ≈ (保留两位小数) | 8.28 × 9.01 ≈ (保留两位小数) | 1.8 × 7.9 = |
| 5.66 × 9.87 ≈ (保留两位小数) | 8.69 × 2.8 ≈ (保留两位小数) | 5.7 × 43 = |
| (3.0 + 4.6) × 4.8 = | 6.4 × 1.25 × 8 = | 0.125 × 8 × 6.4 = |
| 5.38 × 1.53 ≈ (保留两位小数) | 0.2 × 3.5 × 5 = | 6.03 × 9.43 ≈ (保留两位小数) |
| 5.72 × 8.68 ≈ (保留两位小数) | 0.125 × 6.4 × 8 = |
五年级上册 小数乘法(笔算)(答案)
姓名:_______________
学号:_______________
用时:_______________
| 7.3 × 1.1 = 8.03 | 3.49 × 7.11 ≈ (保留两位小数) 24.81 | (0.9 + 4.5) × 1.7 = 9.18 |
| 6.12 × 9.41 ≈ (保留两位小数) 57.59 | 3.6 × 2.5 × 4 = 36 | 7.7 × 21 = 161.7 |
| 5.44 × 1.04 ≈ (保留两位小数) 5.66 | (3.2 + 2.2) × 3.0 = 16.2 | 8.9 × 8.3 = 73.87 |
| 0.9 × 46 = 41.4 | (4.7 + 3.9) × 3.3 = 28.38 | 7.8 × 8.1 = 63.18 |
| 5.9 × 45 = 265.5 | 1.6 × 4 × 2.5 = 16 | 0.3 × 4.2 = 1.26 |
| 0.7 × 17 = 11.9 | 6.5 × 7 = 45.5 | 0.5 × 5.8 × 2 = 5.8 |
| 7.5 × 13 = 97.5 | 0.2 × 5 × 4.5 = 4.5 | 3.5 × 5 × 0.2 = 3.5 |
| 2.5 × 33 = 82.5 | 1.1 × 46 = 50.6 | (2.4 + 1.0) × 1.2 = 4.08 |
| 8 × 4.8 × 0.125 = 4.8 | 6.8 × 0.25 × 4 = 6.8 | 0.3 × 4.6 = 1.38 |
| 5.1 × 1.2 = 6.12 | 1.9 × 36 = 68.4 | 8.8 × 3.7 = 32.56 |
| 0.3 × 31 = 9.3 | (0.5 + 2.8) × 2.0 = 6.6 | (3.5 + 0.2) × 0.7 = 2.59 |
| 2.51 × 5.9 ≈ (保留两位小数) 14.81 | 5.8 × 2.6 = 15.08 | 7.3 × 4.3 = 31.39 |
| 2.23 × 7.7 ≈ (保留两位小数) 17.17 | 8.28 × 9.01 ≈ (保留两位小数) 74.60 | 1.8 × 7.9 = 14.22 |
| 5.66 × 9.87 ≈ (保留两位小数) 55.86 | 8.69 × 2.8 ≈ (保留两位小数) 24.33 | 5.7 × 43 = 245.1 |
| (3.0 + 4.6) × 4.8 = 36.48 | 6.4 × 1.25 × 8 = 64 | 0.125 × 8 × 6.4 = 6.4 |
| 5.38 × 1.53 ≈ (保留两位小数) 8.23 | 0.2 × 3.5 × 5 = 3.5 | 6.03 × 9.43 ≈ (保留两位小数) 56.86 |
| 5.72 × 8.68 ≈ (保留两位小数) 49.65 | 0.125 × 6.4 × 8 = 6.4 |