五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| 4 × 0.25 × 4.78 = | 7.8 × 1.6 = | 3.9 × 0.6 = |
| 4.78 × 0.25 × 4 = | 5.48 × 8.1 ≈ (保留两位小数) | 5.2 × 32 = |
| (1.1 + 1.1) × 3.7 = | 5.99 × 1.12 ≈ (保留两位小数) | (2.3 + 0.8) × 1.1 = |
| 9.0 × 3 = | 2.9 × 7 = | 8.7 × 9.2 = |
| 1.25 × 8 × 3.2 = | (1.4 + 1.1) × 3.6 = | 9.25 × 5.05 ≈ (保留两位小数) |
| 6.9 × 19 = | 4.8 × 18 = | (3.1 + 4.1) × 0.9 = |
| 6.8 × 18 = | (2.7 + 0.8) × 3.5 = | 9.22 × 4.2 ≈ (保留两位小数) |
| 1.02 × 4.99 ≈ (保留两位小数) | 0.5 × 2 × 5.8 = | (2.6 + 2.8) × 3.8 = |
| (1.7 + 0.1) × 0.7 = | 4.3 × 19 = | 8.2 × 9.6 = |
| (4.8 + 2.3) × 4.7 = | (1.6 + 0.7) × 1.6 = | 8 × 6.4 × 0.125 = |
| 0.25 × 4 × 8.4 = | 6.8 × 4 × 0.25 = | (3.5 + 2.8) × 1.4 = |
| 7.4 × 41 = | (4.9 + 2.2) × 3.3 = | 3.6 × 2.5 × 4 = |
| 0.3 × 1.0 = | 6.3 × 15 = | 1.2 × 6.6 = |
| 8.0 × 4.0 = | 5.8 × 2 × 0.5 = | 0.25 × 4 × 4.78 = |
| 2 × 5.8 × 0.5 = | 2.8 × 4.4 = | 3.25 × 1.49 ≈ (保留两位小数) |
| 5.2 × 16 = | (2.3 + 1.0) × 3.5 = | 4.2 × 0.4 = |
| 2.3 × 9.2 = | (1.2 + 2.8) × 1.5 = |
五年级上册 小数乘法(笔算)(答案)
姓名:_______________
学号:_______________
用时:_______________
| 4 × 0.25 × 4.78 = 4.78 | 7.8 × 1.6 = 12.48 | 3.9 × 0.6 = 2.34 |
| 4.78 × 0.25 × 4 = 4.78 | 5.48 × 8.1 ≈ (保留两位小数) 44.39 | 5.2 × 32 = 166.4 |
| (1.1 + 1.1) × 3.7 = 8.14 | 5.99 × 1.12 ≈ (保留两位小数) 6.71 | (2.3 + 0.8) × 1.1 = 3.41 |
| 9.0 × 3 = 27 | 2.9 × 7 = 20.3 | 8.7 × 9.2 = 80.04 |
| 1.25 × 8 × 3.2 = 32 | (1.4 + 1.1) × 3.6 = 9 | 9.25 × 5.05 ≈ (保留两位小数) 46.71 |
| 6.9 × 19 = 131.1 | 4.8 × 18 = 86.4 | (3.1 + 4.1) × 0.9 = 6.48 |
| 6.8 × 18 = 122.4 | (2.7 + 0.8) × 3.5 = 12.25 | 9.22 × 4.2 ≈ (保留两位小数) 38.72 |
| 1.02 × 4.99 ≈ (保留两位小数) 5.09 | 0.5 × 2 × 5.8 = 5.8 | (2.6 + 2.8) × 3.8 = 20.52 |
| (1.7 + 0.1) × 0.7 = 1.26 | 4.3 × 19 = 81.7 | 8.2 × 9.6 = 78.72 |
| (4.8 + 2.3) × 4.7 = 33.37 | (1.6 + 0.7) × 1.6 = 3.68 | 8 × 6.4 × 0.125 = 6.4 |
| 0.25 × 4 × 8.4 = 8.4 | 6.8 × 4 × 0.25 = 6.8 | (3.5 + 2.8) × 1.4 = 8.82 |
| 7.4 × 41 = 303.4 | (4.9 + 2.2) × 3.3 = 23.43 | 3.6 × 2.5 × 4 = 36 |
| 0.3 × 1.0 = 0.3 | 6.3 × 15 = 94.5 | 1.2 × 6.6 = 7.92 |
| 8.0 × 4.0 = 32 | 5.8 × 2 × 0.5 = 5.8 | 0.25 × 4 × 4.78 = 4.78 |
| 2 × 5.8 × 0.5 = 5.8 | 2.8 × 4.4 = 12.32 | 3.25 × 1.49 ≈ (保留两位小数) 4.84 |
| 5.2 × 16 = 83.2 | (2.3 + 1.0) × 3.5 = 11.55 | 4.2 × 0.4 = 1.68 |
| 2.3 × 9.2 = 21.16 | (1.2 + 2.8) × 1.5 = 6 |