五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| (4.0 + 1.7) × 2.8 = | (0.6 + 1.6) × 4.4 = | (2.8 + 1.3) × 2.8 = |
| 4.62 × 1.68 ≈ (保留两位小数) | 3.12 × 5.82 ≈ (保留两位小数) | (0.7 + 0.8) × 4.6 = |
| (1.3 + 1.9) × 3.9 = | (4.5 + 1.3) × 3.4 = | 1.54 × 3.54 ≈ (保留两位小数) |
| 2 × 3.6 × 0.5 = | 4.7 × 8.4 = | 2.7 × 15 = |
| 8 × 1.25 × 6.4 = | 4.16 × 3.67 ≈ (保留两位小数) | 5 × 0.2 × 3.5 = |
| 8.36 × 5.96 ≈ (保留两位小数) | 4 × 0.25 × 4.78 = | 4.8 × 8 × 0.125 = |
| 3.2 × 5.4 = | (2.3 + 2.3) × 2.5 = | 3.3 × 9.8 = |
| 2.5 × 1.6 × 4 = | 8 × 1.25 × 7.2 = | 9.66 × 5.11 ≈ (保留两位小数) |
| 2.09 × 5.79 ≈ (保留两位小数) | (1.0 + 0.4) × 2.6 = | (2.1 + 4.0) × 2.2 = |
| 5.41 × 7.29 ≈ (保留两位小数) | 7.6 × 6.7 = | 7.9 × 1.6 = |
| 7.25 × 3.11 ≈ (保留两位小数) | 8.8 × 3.3 = | 6.6 × 1.9 = |
| 7.2 × 5.0 = | (2.8 + 4.5) × 0.3 = | (1.9 + 1.0) × 4.7 = |
| 6.9 × 2.14 ≈ (保留两位小数) | 7.2 × 2.9 = | 6.5 × 3.1 = |
| 3.3 × 48 = | 4 × 2.5 × 1.6 = | (4.0 + 1.7) × 1.1 = |
| 7.7 × 5.4 = | 8.2 × 5.7 = | 0.8 × 2.4 = |
| 8.3 × 3.4 = | 9.2 × 9.64 ≈ (保留两位小数) | 1.4 × 27 = |
| (3.3 + 1.9) × 3.1 = | 2.2 × 2.0 = |
五年级上册 小数乘法(笔算)(答案)
姓名:_______________
学号:_______________
用时:_______________
| (4.0 + 1.7) × 2.8 = 15.96 | (0.6 + 1.6) × 4.4 = 9.68 | (2.8 + 1.3) × 2.8 = 11.48 |
| 4.62 × 1.68 ≈ (保留两位小数) 7.76 | 3.12 × 5.82 ≈ (保留两位小数) 18.16 | (0.7 + 0.8) × 4.6 = 6.9 |
| (1.3 + 1.9) × 3.9 = 12.48 | (4.5 + 1.3) × 3.4 = 19.72 | 1.54 × 3.54 ≈ (保留两位小数) 5.45 |
| 2 × 3.6 × 0.5 = 3.6 | 4.7 × 8.4 = 39.48 | 2.7 × 15 = 40.5 |
| 8 × 1.25 × 6.4 = 64 | 4.16 × 3.67 ≈ (保留两位小数) 15.27 | 5 × 0.2 × 3.5 = 3.5 |
| 8.36 × 5.96 ≈ (保留两位小数) 49.83 | 4 × 0.25 × 4.78 = 4.78 | 4.8 × 8 × 0.125 = 4.8 |
| 3.2 × 5.4 = 17.28 | (2.3 + 2.3) × 2.5 = 11.5 | 3.3 × 9.8 = 32.34 |
| 2.5 × 1.6 × 4 = 16 | 8 × 1.25 × 7.2 = 72 | 9.66 × 5.11 ≈ (保留两位小数) 49.36 |
| 2.09 × 5.79 ≈ (保留两位小数) 12.10 | (1.0 + 0.4) × 2.6 = 3.64 | (2.1 + 4.0) × 2.2 = 13.42 |
| 5.41 × 7.29 ≈ (保留两位小数) 39.44 | 7.6 × 6.7 = 50.92 | 7.9 × 1.6 = 12.64 |
| 7.25 × 3.11 ≈ (保留两位小数) 22.55 | 8.8 × 3.3 = 29.04 | 6.6 × 1.9 = 12.54 |
| 7.2 × 5.0 = 36 | (2.8 + 4.5) × 0.3 = 2.19 | (1.9 + 1.0) × 4.7 = 13.63 |
| 6.9 × 2.14 ≈ (保留两位小数) 14.77 | 7.2 × 2.9 = 20.88 | 6.5 × 3.1 = 20.15 |
| 3.3 × 48 = 158.4 | 4 × 2.5 × 1.6 = 16 | (4.0 + 1.7) × 1.1 = 6.27 |
| 7.7 × 5.4 = 41.58 | 8.2 × 5.7 = 46.74 | 0.8 × 2.4 = 1.92 |
| 8.3 × 3.4 = 28.22 | 9.2 × 9.64 ≈ (保留两位小数) 88.69 | 1.4 × 27 = 37.8 |
| (3.3 + 1.9) × 3.1 = 16.12 | 2.2 × 2.0 = 4.4 |