五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| (0.3 + 0.5) × 4.1 = | 5.9 × 21 = | 4.1 × 28 = |
| 2.0 × 0.1 = | (4.3 + 0.7) × 0.5 = | 4.78 × 0.25 × 4 = |
| 6.1 × 21 = | 8.76 × 0.25 ≈ (保留两位小数) | 6.85 × 8.8 ≈ (保留两位小数) |
| 4.8 × 8 × 0.125 = | 2.5 × 1.6 × 4 = | (0.8 + 0.5) × 0.9 = |
| 2.1 × 27 = | 7.5 × 31 = | 3.5 × 0.2 × 5 = |
| 6.4 × 17 = | 3.5 × 5 × 0.2 = | 9.89 × 1.76 ≈ (保留两位小数) |
| 6.45 × 8.99 ≈ (保留两位小数) | 3.2 × 6.6 = | 0.5 × 8 = |
| 0.25 × 8.4 × 4 = | 5.37 × 1.34 ≈ (保留两位小数) | (0.8 + 2.0) × 2.4 = |
| 5.84 × 9.65 ≈ (保留两位小数) | 2.2 × 4.78 ≈ (保留两位小数) | 3.7 × 38 = |
| (1.6 + 2.5) × 4.7 = | 0.5 × 7 = | (0.6 + 4.5) × 2.3 = |
| 7.2 × 8 × 1.25 = | 0.4 × 46 = | 6.6 × 9.2 = |
| 8 × 1.25 × 6.4 = | 4.1 × 41 = | 5.75 × 1.49 ≈ (保留两位小数) |
| 6.51 × 7.55 ≈ (保留两位小数) | 7.56 × 5.83 ≈ (保留两位小数) | (4.7 + 0.9) × 1.8 = |
| 2.81 × 2.92 ≈ (保留两位小数) | 7.1 × 2.6 = | 2.76 × 1.25 ≈ (保留两位小数) |
| 8.4 × 4 × 0.25 = | 2.5 × 12 = | 7.9 × 8.8 = |
| 0.9 × 28 = | (4.7 + 1.5) × 1.4 = | (3.8 + 2.0) × 2.8 = |
| (4.9 + 2.1) × 4.5 = | 8.2 × 3.8 = |
五年级上册 小数乘法(笔算)(答案)
姓名:_______________
学号:_______________
用时:_______________
| (0.3 + 0.5) × 4.1 = 3.28 | 5.9 × 21 = 123.9 | 4.1 × 28 = 114.8 |
| 2.0 × 0.1 = 0.2 | (4.3 + 0.7) × 0.5 = 2.5 | 4.78 × 0.25 × 4 = 4.78 |
| 6.1 × 21 = 128.1 | 8.76 × 0.25 ≈ (保留两位小数) 2.19 | 6.85 × 8.8 ≈ (保留两位小数) 60.28 |
| 4.8 × 8 × 0.125 = 4.8 | 2.5 × 1.6 × 4 = 16 | (0.8 + 0.5) × 0.9 = 1.17 |
| 2.1 × 27 = 56.7 | 7.5 × 31 = 232.5 | 3.5 × 0.2 × 5 = 3.5 |
| 6.4 × 17 = 108.8 | 3.5 × 5 × 0.2 = 3.5 | 9.89 × 1.76 ≈ (保留两位小数) 17.41 |
| 6.45 × 8.99 ≈ (保留两位小数) 57.99 | 3.2 × 6.6 = 21.12 | 0.5 × 8 = 4 |
| 0.25 × 8.4 × 4 = 8.4 | 5.37 × 1.34 ≈ (保留两位小数) 7.20 | (0.8 + 2.0) × 2.4 = 6.72 |
| 5.84 × 9.65 ≈ (保留两位小数) 56.36 | 2.2 × 4.78 ≈ (保留两位小数) 10.52 | 3.7 × 38 = 140.6 |
| (1.6 + 2.5) × 4.7 = 19.27 | 0.5 × 7 = 3.5 | (0.6 + 4.5) × 2.3 = 11.73 |
| 7.2 × 8 × 1.25 = 72 | 0.4 × 46 = 18.4 | 6.6 × 9.2 = 60.72 |
| 8 × 1.25 × 6.4 = 64 | 4.1 × 41 = 168.1 | 5.75 × 1.49 ≈ (保留两位小数) 8.57 |
| 6.51 × 7.55 ≈ (保留两位小数) 49.15 | 7.56 × 5.83 ≈ (保留两位小数) 44.07 | (4.7 + 0.9) × 1.8 = 10.08 |
| 2.81 × 2.92 ≈ (保留两位小数) 8.21 | 7.1 × 2.6 = 18.46 | 2.76 × 1.25 ≈ (保留两位小数) 3.45 |
| 8.4 × 4 × 0.25 = 8.4 | 2.5 × 12 = 30 | 7.9 × 8.8 = 69.52 |
| 0.9 × 28 = 25.2 | (4.7 + 1.5) × 1.4 = 8.68 | (3.8 + 2.0) × 2.8 = 16.24 |
| (4.9 + 2.1) × 4.5 = 31.5 | 8.2 × 3.8 = 31.16 |