五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| 3.5 × 5 × 0.2 = | 5.9 × 3.8 = | (2.0 + 2.4) × 3.2 = |
| (1.8 + 3.4) × 2.5 = | 2.2 × 0.2 = | 1.57 × 4.68 ≈ (保留两位小数) |
| 4.6 × 9.7 = | 6.26 × 3.79 ≈ (保留两位小数) | 2.28 × 8.37 ≈ (保留两位小数) |
| 7.1 × 3.0 = | 4.35 × 9.62 ≈ (保留两位小数) | (2.5 + 4.7) × 0.2 = |
| 3.6 × 2 × 0.5 = | 9.4 × 22 = | 5.54 × 0.87 ≈ (保留两位小数) |
| (3.7 + 3.7) × 2.8 = | (4.7 + 0.9) × 2.1 = | 0.2 × 2 = |
| 8 × 6.4 × 0.125 = | (4.7 + 4.4) × 4.1 = | 7.3 × 28 = |
| 2.56 × 6.74 ≈ (保留两位小数) | (0.4 + 2.0) × 0.2 = | 4.0 × 1.0 = |
| 9.5 × 9.42 ≈ (保留两位小数) | (4.5 + 4.4) × 2.2 = | 9.22 × 9.2 ≈ (保留两位小数) |
| 0.5 × 2 × 5.8 = | 9.5 × 8.4 = | 8.9 × 2.9 = |
| 9.6 × 1.9 = | (2.2 + 1.3) × 0.8 = | 5.2 × 27 = |
| (3.6 + 2.2) × 2.7 = | 2.45 × 1.67 ≈ (保留两位小数) | (0.7 + 3.3) × 2.1 = |
| 4.69 × 9.81 ≈ (保留两位小数) | (2.2 + 1.7) × 3.5 = | 2 × 5.8 × 0.5 = |
| (4.9 + 2.6) × 1.5 = | 5.9 × 30 = | 6.39 × 3.19 ≈ (保留两位小数) |
| 1.6 × 2.5 × 4 = | 8.6 × 6.1 = | 3.6 × 0.5 × 2 = |
| 7.8 × 45 = | 5.56 × 7.55 ≈ (保留两位小数) | 0.125 × 8 × 4.8 = |
| 1.6 × 4 × 2.5 = | (0.4 + 4.6) × 4.5 = |
五年级上册 小数乘法(笔算)(答案)
姓名:_______________
学号:_______________
用时:_______________
| 3.5 × 5 × 0.2 = 3.5 | 5.9 × 3.8 = 22.42 | (2.0 + 2.4) × 3.2 = 14.08 |
| (1.8 + 3.4) × 2.5 = 13 | 2.2 × 0.2 = 0.44 | 1.57 × 4.68 ≈ (保留两位小数) 7.35 |
| 4.6 × 9.7 = 44.62 | 6.26 × 3.79 ≈ (保留两位小数) 23.73 | 2.28 × 8.37 ≈ (保留两位小数) 19.08 |
| 7.1 × 3.0 = 21.3 | 4.35 × 9.62 ≈ (保留两位小数) 41.85 | (2.5 + 4.7) × 0.2 = 1.44 |
| 3.6 × 2 × 0.5 = 3.6 | 9.4 × 22 = 206.8 | 5.54 × 0.87 ≈ (保留两位小数) 4.82 |
| (3.7 + 3.7) × 2.8 = 20.72 | (4.7 + 0.9) × 2.1 = 11.76 | 0.2 × 2 = 0.4 |
| 8 × 6.4 × 0.125 = 6.4 | (4.7 + 4.4) × 4.1 = 37.31 | 7.3 × 28 = 204.4 |
| 2.56 × 6.74 ≈ (保留两位小数) 17.25 | (0.4 + 2.0) × 0.2 = 0.48 | 4.0 × 1.0 = 4 |
| 9.5 × 9.42 ≈ (保留两位小数) 89.49 | (4.5 + 4.4) × 2.2 = 19.58 | 9.22 × 9.2 ≈ (保留两位小数) 84.82 |
| 0.5 × 2 × 5.8 = 5.8 | 9.5 × 8.4 = 79.8 | 8.9 × 2.9 = 25.81 |
| 9.6 × 1.9 = 18.24 | (2.2 + 1.3) × 0.8 = 2.8 | 5.2 × 27 = 140.4 |
| (3.6 + 2.2) × 2.7 = 15.66 | 2.45 × 1.67 ≈ (保留两位小数) 4.09 | (0.7 + 3.3) × 2.1 = 8.4 |
| 4.69 × 9.81 ≈ (保留两位小数) 46.01 | (2.2 + 1.7) × 3.5 = 13.65 | 2 × 5.8 × 0.5 = 5.8 |
| (4.9 + 2.6) × 1.5 = 11.25 | 5.9 × 30 = 177 | 6.39 × 3.19 ≈ (保留两位小数) 20.38 |
| 1.6 × 2.5 × 4 = 16 | 8.6 × 6.1 = 52.46 | 3.6 × 0.5 × 2 = 3.6 |
| 7.8 × 45 = 351 | 5.56 × 7.55 ≈ (保留两位小数) 41.98 | 0.125 × 8 × 4.8 = 4.8 |
| 1.6 × 4 × 2.5 = 16 | (0.4 + 4.6) × 4.5 = 22.5 |