五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| 0.25 × 4 × 6.8 = | 3.2 × 8 × 1.25 = | 1.26 × 6.29 ≈ (保留两位小数) |
| 9.04 × 7.11 ≈ (保留两位小数) | 3.6 × 7.5 = | 9.56 × 7.89 ≈ (保留两位小数) |
| 3.9 × 5.5 = | 6.7 × 1.5 = | (0.3 + 3.7) × 2.8 = |
| 1.1 × 7 = | (0.9 + 4.3) × 0.8 = | 3.5 × 13 = |
| 0.25 × 4.78 × 4 = | 8 × 1.25 × 7.2 = | 3.34 × 1.83 ≈ (保留两位小数) |
| 5.93 × 4.4 ≈ (保留两位小数) | 8.1 × 9 = | 6.1 × 39 = |
| 8.5 × 7 = | 8.7 × 6.1 = | 7.8 × 9.7 = |
| 3.2 × 46 = | 1.03 × 9.24 ≈ (保留两位小数) | 0.3 × 1.1 = |
| 5.61 × 1.95 ≈ (保留两位小数) | 3.28 × 0.22 ≈ (保留两位小数) | 8 × 3.2 × 1.25 = |
| 0.3 × 4.6 = | 9.77 × 9.13 ≈ (保留两位小数) | 8.0 × 1.2 = |
| 6.7 × 3.8 = | 3.41 × 4.53 ≈ (保留两位小数) | 2.1 × 41 = |
| (0.9 + 0.5) × 0.1 = | 5.39 × 0.61 ≈ (保留两位小数) | (3.8 + 2.8) × 0.1 = |
| 7.9 × 9 = | 9.8 × 9.2 = | (4.9 + 0.4) × 0.6 = |
| 0.125 × 8 × 4.8 = | (2.8 + 0.6) × 1.4 = | 0.25 × 4 × 8.4 = |
| 5.8 × 41 = | 5.3 × 49 = | 8.37 × 4.43 ≈ (保留两位小数) |
| 4.78 × 6.25 ≈ (保留两位小数) | 6.6 × 1.2 = | 3.26 × 0.99 ≈ (保留两位小数) |
| 8.7 × 7.3 = | (1.2 + 0.4) × 4.3 = |
五年级上册 小数乘法(笔算)(答案)
姓名:_______________
学号:_______________
用时:_______________
| 0.25 × 4 × 6.8 = 6.8 | 3.2 × 8 × 1.25 = 32 | 1.26 × 6.29 ≈ (保留两位小数) 7.93 |
| 9.04 × 7.11 ≈ (保留两位小数) 64.27 | 3.6 × 7.5 = 27 | 9.56 × 7.89 ≈ (保留两位小数) 75.43 |
| 3.9 × 5.5 = 21.45 | 6.7 × 1.5 = 10.05 | (0.3 + 3.7) × 2.8 = 11.2 |
| 1.1 × 7 = 7.7 | (0.9 + 4.3) × 0.8 = 4.16 | 3.5 × 13 = 45.5 |
| 0.25 × 4.78 × 4 = 4.78 | 8 × 1.25 × 7.2 = 72 | 3.34 × 1.83 ≈ (保留两位小数) 6.11 |
| 5.93 × 4.4 ≈ (保留两位小数) 26.09 | 8.1 × 9 = 72.9 | 6.1 × 39 = 237.9 |
| 8.5 × 7 = 59.5 | 8.7 × 6.1 = 53.07 | 7.8 × 9.7 = 75.66 |
| 3.2 × 46 = 147.2 | 1.03 × 9.24 ≈ (保留两位小数) 9.52 | 0.3 × 1.1 = 0.33 |
| 5.61 × 1.95 ≈ (保留两位小数) 10.94 | 3.28 × 0.22 ≈ (保留两位小数) 0.72 | 8 × 3.2 × 1.25 = 32 |
| 0.3 × 4.6 = 1.38 | 9.77 × 9.13 ≈ (保留两位小数) 89.20 | 8.0 × 1.2 = 9.6 |
| 6.7 × 3.8 = 25.46 | 3.41 × 4.53 ≈ (保留两位小数) 15.45 | 2.1 × 41 = 86.1 |
| (0.9 + 0.5) × 0.1 = 0.14 | 5.39 × 0.61 ≈ (保留两位小数) 3.29 | (3.8 + 2.8) × 0.1 = 0.66 |
| 7.9 × 9 = 71.1 | 9.8 × 9.2 = 90.16 | (4.9 + 0.4) × 0.6 = 3.18 |
| 0.125 × 8 × 4.8 = 4.8 | (2.8 + 0.6) × 1.4 = 4.76 | 0.25 × 4 × 8.4 = 8.4 |
| 5.8 × 41 = 237.8 | 5.3 × 49 = 259.7 | 8.37 × 4.43 ≈ (保留两位小数) 37.08 |
| 4.78 × 6.25 ≈ (保留两位小数) 29.88 | 6.6 × 1.2 = 7.92 | 3.26 × 0.99 ≈ (保留两位小数) 3.23 |
| 8.7 × 7.3 = 63.51 | (1.2 + 0.4) × 4.3 = 6.88 |