五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| 1.8 × 38 = | (0.3 + 1.2) × 0.9 = | 5.8 × 29 = |
| (0.6 + 0.5) × 1.5 = | 1.05 × 1.14 ≈ (保留两位小数) | (5.0 + 3.5) × 0.1 = |
| 1.25 × 3.2 × 8 = | 1.63 × 7.11 ≈ (保留两位小数) | 0.25 × 4.78 × 4 = |
| 4.06 × 5.94 ≈ (保留两位小数) | 2.44 × 5.32 ≈ (保留两位小数) | 4.5 × 5.9 = |
| 1.25 × 8 × 7.2 = | (1.5 + 1.8) × 0.2 = | 4.0 × 3.43 ≈ (保留两位小数) |
| 5.39 × 5.93 ≈ (保留两位小数) | 8.37 × 1.06 ≈ (保留两位小数) | 2.1 × 22 = |
| 2.27 × 7.76 ≈ (保留两位小数) | 4 × 3.6 × 2.5 = | 6.7 × 42 = |
| 8 × 7.2 × 1.25 = | 3.02 × 3.91 ≈ (保留两位小数) | 8.9 × 4 = |
| 0.5 × 6.3 = | 9.5 × 4.7 = | 2.6 × 6.3 = |
| 2.4 × 0.7 = | 9.2 × 21 = | 5.25 × 3.52 ≈ (保留两位小数) |
| 3.9 × 3.7 = | 0.5 × 23 = | 9.7 × 2.6 = |
| 4 × 1.6 × 2.5 = | (3.2 + 3.6) × 1.3 = | 0.5 × 2 × 5.8 = |
| (1.7 + 4.6) × 3.2 = | (2.5 + 4.2) × 0.8 = | 0.91 × 3.77 ≈ (保留两位小数) |
| 9.55 × 3.66 ≈ (保留两位小数) | 9.36 × 9.25 ≈ (保留两位小数) | 4.2 × 1.2 = |
| 4.78 × 0.25 × 4 = | 6.3 × 6.8 = | (4.5 + 0.5) × 0.1 = |
| 5.6 × 7.1 = | 6.24 × 8.79 ≈ (保留两位小数) | (2.8 + 0.8) × 4.2 = |
| (1.8 + 4.4) × 0.9 = | (4.0 + 4.3) × 2.7 = |
五年级上册 小数乘法(笔算)(答案)
姓名:_______________
学号:_______________
用时:_______________
| 1.8 × 38 = 68.4 | (0.3 + 1.2) × 0.9 = 1.35 | 5.8 × 29 = 168.2 |
| (0.6 + 0.5) × 1.5 = 1.65 | 1.05 × 1.14 ≈ (保留两位小数) 1.20 | (5.0 + 3.5) × 0.1 = 0.85 |
| 1.25 × 3.2 × 8 = 32 | 1.63 × 7.11 ≈ (保留两位小数) 11.59 | 0.25 × 4.78 × 4 = 4.78 |
| 4.06 × 5.94 ≈ (保留两位小数) 24.12 | 2.44 × 5.32 ≈ (保留两位小数) 12.98 | 4.5 × 5.9 = 26.55 |
| 1.25 × 8 × 7.2 = 72 | (1.5 + 1.8) × 0.2 = 0.66 | 4.0 × 3.43 ≈ (保留两位小数) 13.72 |
| 5.39 × 5.93 ≈ (保留两位小数) 31.96 | 8.37 × 1.06 ≈ (保留两位小数) 8.87 | 2.1 × 22 = 46.2 |
| 2.27 × 7.76 ≈ (保留两位小数) 17.62 | 4 × 3.6 × 2.5 = 36 | 6.7 × 42 = 281.4 |
| 8 × 7.2 × 1.25 = 72 | 3.02 × 3.91 ≈ (保留两位小数) 11.81 | 8.9 × 4 = 35.6 |
| 0.5 × 6.3 = 3.15 | 9.5 × 4.7 = 44.65 | 2.6 × 6.3 = 16.38 |
| 2.4 × 0.7 = 1.68 | 9.2 × 21 = 193.2 | 5.25 × 3.52 ≈ (保留两位小数) 18.48 |
| 3.9 × 3.7 = 14.43 | 0.5 × 23 = 11.5 | 9.7 × 2.6 = 25.22 |
| 4 × 1.6 × 2.5 = 16 | (3.2 + 3.6) × 1.3 = 8.84 | 0.5 × 2 × 5.8 = 5.8 |
| (1.7 + 4.6) × 3.2 = 20.16 | (2.5 + 4.2) × 0.8 = 5.36 | 0.91 × 3.77 ≈ (保留两位小数) 3.43 |
| 9.55 × 3.66 ≈ (保留两位小数) 34.95 | 9.36 × 9.25 ≈ (保留两位小数) 86.58 | 4.2 × 1.2 = 5.04 |
| 4.78 × 0.25 × 4 = 4.78 | 6.3 × 6.8 = 42.84 | (4.5 + 0.5) × 0.1 = 0.5 |
| 5.6 × 7.1 = 39.76 | 6.24 × 8.79 ≈ (保留两位小数) 54.85 | (2.8 + 0.8) × 4.2 = 15.12 |
| (1.8 + 4.4) × 0.9 = 5.58 | (4.0 + 4.3) × 2.7 = 22.41 |