五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| 2.0 × 2.1 = | 8.81 × 7.16 ≈ (保留两位小数) | 0.25 × 4 × 8.4 = |
| 7.71 × 9.2 ≈ (保留两位小数) | 4.8 × 5.5 = | (4.6 + 1.6) × 2.7 = |
| (4.9 + 0.6) × 0.2 = | 1.52 × 6.82 ≈ (保留两位小数) | 3.2 × 8 × 1.25 = |
| (3.4 + 1.1) × 4.8 = | 0.45 × 7.15 ≈ (保留两位小数) | 9.33 × 5.55 ≈ (保留两位小数) |
| 0.5 × 5.8 × 2 = | (0.2 + 0.7) × 2.2 = | (4.8 + 2.8) × 1.1 = |
| 1.25 × 8 × 7.2 = | 3.71 × 6.99 ≈ (保留两位小数) | 2.06 × 4.45 ≈ (保留两位小数) |
| 4.8 × 3.4 = | 4 × 8.4 × 0.25 = | (4.0 + 4.1) × 3.2 = |
| 3.98 × 7.49 ≈ (保留两位小数) | 1.25 × 8 × 7.2 = | 6.8 × 4 × 0.25 = |
| 0.5 × 2 × 3.6 = | 4.6 × 0.5 × 2 = | 7.3 × 1.7 = |
| (1.4 + 2.8) × 4.7 = | (5.0 + 4.7) × 4.6 = | 5.08 × 8.45 ≈ (保留两位小数) |
| 9.6 × 44 = | 7.11 × 4.07 ≈ (保留两位小数) | 8.5 × 29 = |
| 3.7 × 2.2 = | 2.7 × 15 = | 6.7 × 7.34 ≈ (保留两位小数) |
| (4.3 + 2.2) × 1.4 = | 0.8 × 5.92 ≈ (保留两位小数) | (2.2 + 2.1) × 4.8 = |
| 0.3 × 8.83 ≈ (保留两位小数) | 9.46 × 4.81 ≈ (保留两位小数) | 0.2 × 27 = |
| (4.1 + 4.2) × 4.8 = | 4.1 × 3.3 = | 7.5 × 22 = |
| 2.5 × 4 × 1.6 = | 4.86 × 6.1 ≈ (保留两位小数) | 1.73 × 4.33 ≈ (保留两位小数) |
| 4 × 8.4 × 0.25 = | (3.6 + 4.5) × 3.2 = |
五年级上册 小数乘法(笔算)(答案)
姓名:_______________
学号:_______________
用时:_______________
| 2.0 × 2.1 = 4.2 | 8.81 × 7.16 ≈ (保留两位小数) 63.08 | 0.25 × 4 × 8.4 = 8.4 |
| 7.71 × 9.2 ≈ (保留两位小数) 70.93 | 4.8 × 5.5 = 26.4 | (4.6 + 1.6) × 2.7 = 16.74 |
| (4.9 + 0.6) × 0.2 = 1.1 | 1.52 × 6.82 ≈ (保留两位小数) 10.37 | 3.2 × 8 × 1.25 = 32 |
| (3.4 + 1.1) × 4.8 = 21.6 | 0.45 × 7.15 ≈ (保留两位小数) 3.22 | 9.33 × 5.55 ≈ (保留两位小数) 51.78 |
| 0.5 × 5.8 × 2 = 5.8 | (0.2 + 0.7) × 2.2 = 1.98 | (4.8 + 2.8) × 1.1 = 8.36 |
| 1.25 × 8 × 7.2 = 72 | 3.71 × 6.99 ≈ (保留两位小数) 25.93 | 2.06 × 4.45 ≈ (保留两位小数) 9.17 |
| 4.8 × 3.4 = 16.32 | 4 × 8.4 × 0.25 = 8.4 | (4.0 + 4.1) × 3.2 = 25.92 |
| 3.98 × 7.49 ≈ (保留两位小数) 29.81 | 1.25 × 8 × 7.2 = 72 | 6.8 × 4 × 0.25 = 6.8 |
| 0.5 × 2 × 3.6 = 3.6 | 4.6 × 0.5 × 2 = 4.6 | 7.3 × 1.7 = 12.41 |
| (1.4 + 2.8) × 4.7 = 19.74 | (5.0 + 4.7) × 4.6 = 44.62 | 5.08 × 8.45 ≈ (保留两位小数) 42.93 |
| 9.6 × 44 = 422.4 | 7.11 × 4.07 ≈ (保留两位小数) 28.94 | 8.5 × 29 = 246.5 |
| 3.7 × 2.2 = 8.14 | 2.7 × 15 = 40.5 | 6.7 × 7.34 ≈ (保留两位小数) 49.18 |
| (4.3 + 2.2) × 1.4 = 9.1 | 0.8 × 5.92 ≈ (保留两位小数) 4.74 | (2.2 + 2.1) × 4.8 = 20.64 |
| 0.3 × 8.83 ≈ (保留两位小数) 2.65 | 9.46 × 4.81 ≈ (保留两位小数) 45.50 | 0.2 × 27 = 5.4 |
| (4.1 + 4.2) × 4.8 = 39.84 | 4.1 × 3.3 = 13.53 | 7.5 × 22 = 165 |
| 2.5 × 4 × 1.6 = 16 | 4.86 × 6.1 ≈ (保留两位小数) 29.65 | 1.73 × 4.33 ≈ (保留两位小数) 7.49 |
| 4 × 8.4 × 0.25 = 8.4 | (3.6 + 4.5) × 3.2 = 25.92 |