五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| 7.45 × 5.89 ≈ (保留两位小数) | 6.52 × 1.12 ≈ (保留两位小数) | 5 × 0.2 × 4.5 = |
| (3.3 + 0.4) × 4.4 = | 4 × 3.6 × 2.5 = | 3.2 × 8 × 1.25 = |
| 4.1 × 25 = | (0.4 + 1.7) × 4.0 = | (2.5 + 2.9) × 4.5 = |
| 2.56 × 2.34 ≈ (保留两位小数) | 1.61 × 6.2 ≈ (保留两位小数) | (5.0 + 4.6) × 4.8 = |
| (1.6 + 2.0) × 1.4 = | 6.45 × 8.22 ≈ (保留两位小数) | 7.6 × 46 = |
| (3.6 + 4.3) × 2.0 = | 3.9 × 2.8 = | 4.1 × 31 = |
| 2 × 0.5 × 5.8 = | 3.68 × 6.56 ≈ (保留两位小数) | 5.3 × 0.89 ≈ (保留两位小数) |
| 6.4 × 5.1 = | 3.3 × 41 = | 8.75 × 4.41 ≈ (保留两位小数) |
| 1.23 × 3.87 ≈ (保留两位小数) | 7.1 × 4.99 ≈ (保留两位小数) | 4.9 × 43 = |
| 2.5 × 4 × 1.6 = | 8 × 3.2 × 1.25 = | 8 × 1.25 × 7.2 = |
| 5.8 × 0.5 × 2 = | 5 × 4.5 × 0.2 = | (3.3 + 2.1) × 1.6 = |
| 7.5 × 8.5 = | 4.93 × 7.56 ≈ (保留两位小数) | 1.1 × 5.8 = |
| 4 × 0.25 × 4.78 = | 3.3 × 8.1 = | 6.74 × 2.19 ≈ (保留两位小数) |
| 9.55 × 4.9 ≈ (保留两位小数) | 0.9 × 6.4 = | 3.75 × 7.48 ≈ (保留两位小数) |
| (4.8 + 3.3) × 0.1 = | 6.8 × 5.06 ≈ (保留两位小数) | 6.1 × 21 = |
| 7.29 × 7.21 ≈ (保留两位小数) | 2.25 × 8.88 ≈ (保留两位小数) | (0.3 + 0.3) × 4.6 = |
| 4.2 × 9.8 = | 9.0 × 5.3 = |
五年级上册 小数乘法(笔算)(答案)
姓名:_______________
学号:_______________
用时:_______________
| 7.45 × 5.89 ≈ (保留两位小数) 43.88 | 6.52 × 1.12 ≈ (保留两位小数) 7.30 | 5 × 0.2 × 4.5 = 4.5 |
| (3.3 + 0.4) × 4.4 = 16.28 | 4 × 3.6 × 2.5 = 36 | 3.2 × 8 × 1.25 = 32 |
| 4.1 × 25 = 102.5 | (0.4 + 1.7) × 4.0 = 8.4 | (2.5 + 2.9) × 4.5 = 24.3 |
| 2.56 × 2.34 ≈ (保留两位小数) 5.99 | 1.61 × 6.2 ≈ (保留两位小数) 9.98 | (5.0 + 4.6) × 4.8 = 46.08 |
| (1.6 + 2.0) × 1.4 = 5.04 | 6.45 × 8.22 ≈ (保留两位小数) 53.02 | 7.6 × 46 = 349.6 |
| (3.6 + 4.3) × 2.0 = 15.8 | 3.9 × 2.8 = 10.92 | 4.1 × 31 = 127.1 |
| 2 × 0.5 × 5.8 = 5.8 | 3.68 × 6.56 ≈ (保留两位小数) 24.14 | 5.3 × 0.89 ≈ (保留两位小数) 4.72 |
| 6.4 × 5.1 = 32.64 | 3.3 × 41 = 135.3 | 8.75 × 4.41 ≈ (保留两位小数) 38.59 |
| 1.23 × 3.87 ≈ (保留两位小数) 4.76 | 7.1 × 4.99 ≈ (保留两位小数) 35.43 | 4.9 × 43 = 210.7 |
| 2.5 × 4 × 1.6 = 16 | 8 × 3.2 × 1.25 = 32 | 8 × 1.25 × 7.2 = 72 |
| 5.8 × 0.5 × 2 = 5.8 | 5 × 4.5 × 0.2 = 4.5 | (3.3 + 2.1) × 1.6 = 8.64 |
| 7.5 × 8.5 = 63.75 | 4.93 × 7.56 ≈ (保留两位小数) 37.27 | 1.1 × 5.8 = 6.38 |
| 4 × 0.25 × 4.78 = 4.78 | 3.3 × 8.1 = 26.73 | 6.74 × 2.19 ≈ (保留两位小数) 14.76 |
| 9.55 × 4.9 ≈ (保留两位小数) 46.80 | 0.9 × 6.4 = 5.76 | 3.75 × 7.48 ≈ (保留两位小数) 28.05 |
| (4.8 + 3.3) × 0.1 = 0.81 | 6.8 × 5.06 ≈ (保留两位小数) 34.41 | 6.1 × 21 = 128.1 |
| 7.29 × 7.21 ≈ (保留两位小数) 52.56 | 2.25 × 8.88 ≈ (保留两位小数) 19.98 | (0.3 + 0.3) × 4.6 = 2.76 |
| 4.2 × 9.8 = 41.16 | 9.0 × 5.3 = 47.7 |