五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| 5 × 3.5 × 0.2 = | (2.4 + 0.3) × 1.1 = | 4.54 × 3.31 ≈ (保留两位小数) |
| 1.1 × 9.8 = | 6.8 × 21 = | 2.0 × 3 = |
| 0.5 × 3.6 × 2 = | 1.51 × 5.08 ≈ (保留两位小数) | 5.19 × 3.0 ≈ (保留两位小数) |
| 4.7 × 7.09 ≈ (保留两位小数) | 1.2 × 7.2 = | 0.125 × 8 × 6.4 = |
| (0.7 + 2.8) × 3.8 = | 0.6 × 4.3 = | 8.4 × 1.2 = |
| 3.6 × 2.5 × 4 = | 3.6 × 2.5 × 4 = | 8 × 4.8 × 0.125 = |
| 4.78 × 4 × 0.25 = | 3.2 × 6.1 = | (2.9 + 3.6) × 1.5 = |
| 4 × 0.25 × 6.8 = | (1.6 + 1.4) × 4.8 = | 5.6 × 9 = |
| 3.6 × 2.5 × 4 = | 6.8 × 0.9 = | 7.4 × 40 = |
| 5 × 0.2 × 3.5 = | (2.7 + 3.5) × 2.8 = | 1.05 × 9.23 ≈ (保留两位小数) |
| 2.69 × 3.03 ≈ (保留两位小数) | 2.4 × 9.4 = | (0.3 + 0.1) × 3.1 = |
| 7.32 × 1.14 ≈ (保留两位小数) | 1.25 × 8 × 3.2 = | 2 × 4.6 × 0.5 = |
| 5.0 × 11 = | 4.97 × 9.8 ≈ (保留两位小数) | 0.8 × 4.0 = |
| 8.9 × 5 = | 9.61 × 2.67 ≈ (保留两位小数) | 7.58 × 6.85 ≈ (保留两位小数) |
| 4.82 × 1.67 ≈ (保留两位小数) | 7.8 × 6.52 ≈ (保留两位小数) | 4.0 × 2.0 = |
| 8 × 1.25 × 7.2 = | 1.92 × 4.94 ≈ (保留两位小数) | 1.6 × 4 × 2.5 = |
| 0.4 × 14 = | 1.4 × 18 = |
五年级上册 小数乘法(笔算)(答案)
姓名:_______________
学号:_______________
用时:_______________
| 5 × 3.5 × 0.2 = 3.5 | (2.4 + 0.3) × 1.1 = 2.97 | 4.54 × 3.31 ≈ (保留两位小数) 15.03 |
| 1.1 × 9.8 = 10.78 | 6.8 × 21 = 142.8 | 2.0 × 3 = 6 |
| 0.5 × 3.6 × 2 = 3.6 | 1.51 × 5.08 ≈ (保留两位小数) 7.67 | 5.19 × 3.0 ≈ (保留两位小数) 15.57 |
| 4.7 × 7.09 ≈ (保留两位小数) 33.32 | 1.2 × 7.2 = 8.64 | 0.125 × 8 × 6.4 = 6.4 |
| (0.7 + 2.8) × 3.8 = 13.3 | 0.6 × 4.3 = 2.58 | 8.4 × 1.2 = 10.08 |
| 3.6 × 2.5 × 4 = 36 | 3.6 × 2.5 × 4 = 36 | 8 × 4.8 × 0.125 = 4.8 |
| 4.78 × 4 × 0.25 = 4.78 | 3.2 × 6.1 = 19.52 | (2.9 + 3.6) × 1.5 = 9.75 |
| 4 × 0.25 × 6.8 = 6.8 | (1.6 + 1.4) × 4.8 = 14.4 | 5.6 × 9 = 50.4 |
| 3.6 × 2.5 × 4 = 36 | 6.8 × 0.9 = 6.12 | 7.4 × 40 = 296 |
| 5 × 0.2 × 3.5 = 3.5 | (2.7 + 3.5) × 2.8 = 17.36 | 1.05 × 9.23 ≈ (保留两位小数) 9.69 |
| 2.69 × 3.03 ≈ (保留两位小数) 8.15 | 2.4 × 9.4 = 22.56 | (0.3 + 0.1) × 3.1 = 1.24 |
| 7.32 × 1.14 ≈ (保留两位小数) 8.34 | 1.25 × 8 × 3.2 = 32 | 2 × 4.6 × 0.5 = 4.6 |
| 5.0 × 11 = 55 | 4.97 × 9.8 ≈ (保留两位小数) 48.71 | 0.8 × 4.0 = 3.2 |
| 8.9 × 5 = 44.5 | 9.61 × 2.67 ≈ (保留两位小数) 25.66 | 7.58 × 6.85 ≈ (保留两位小数) 51.92 |
| 4.82 × 1.67 ≈ (保留两位小数) 8.05 | 7.8 × 6.52 ≈ (保留两位小数) 50.86 | 4.0 × 2.0 = 8 |
| 8 × 1.25 × 7.2 = 72 | 1.92 × 4.94 ≈ (保留两位小数) 9.48 | 1.6 × 4 × 2.5 = 16 |
| 0.4 × 14 = 5.6 | 1.4 × 18 = 25.2 |