五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| 8 × 1.25 × 3.2 = | 8.92 × 7.61 ≈ (保留两位小数) | 5.5 × 4.6 = |
| 3.6 × 30 = | (4.6 + 4.7) × 1.7 = | 7.9 × 48 = |
| 7.2 × 0.32 ≈ (保留两位小数) | 4.0 × 2 = | 8.86 × 6.0 ≈ (保留两位小数) |
| 1.7 × 2.12 ≈ (保留两位小数) | 9.6 × 9.5 = | (4.0 + 0.1) × 4.3 = |
| 10.0 × 2.4 = | 4.6 × 0.5 × 2 = | 8 × 0.125 × 4.8 = |
| 8.3 × 0.2 = | 9.4 × 5.3 = | 4.8 × 8 × 0.125 = |
| 3.4 × 46 = | (0.8 + 5.0) × 1.0 = | 0.125 × 6.4 × 8 = |
| 2.28 × 8.97 ≈ (保留两位小数) | 3.6 × 4 × 2.5 = | 0.2 × 9 = |
| 9.6 × 35 = | 8 × 0.125 × 4.8 = | 9.86 × 6.58 ≈ (保留两位小数) |
| 9.2 × 2.4 = | 1.6 × 4.4 = | 7.6 × 27 = |
| (0.3 + 3.5) × 4.4 = | 5.15 × 8.48 ≈ (保留两位小数) | 2.5 × 4 × 1.6 = |
| 5.1 × 2.2 = | 5.1 × 25 = | 2.7 × 5.9 = |
| (1.4 + 4.1) × 5.0 = | (4.9 + 4.5) × 2.3 = | 8.8 × 6.2 = |
| (3.1 + 0.2) × 3.7 = | 1.45 × 0.32 ≈ (保留两位小数) | 1.25 × 8 × 3.2 = |
| (1.6 + 2.3) × 4.2 = | 1.0 × 50 = | (1.4 + 3.8) × 3.1 = |
| 8 × 4.8 × 0.125 = | 5.28 × 8.27 ≈ (保留两位小数) | 5.3 × 4.13 ≈ (保留两位小数) |
| 0.25 × 8.4 × 4 = | 5.55 × 3.44 ≈ (保留两位小数) |
五年级上册 小数乘法(笔算)(答案)
姓名:_______________
学号:_______________
用时:_______________
| 8 × 1.25 × 3.2 = 32 | 8.92 × 7.61 ≈ (保留两位小数) 67.88 | 5.5 × 4.6 = 25.3 |
| 3.6 × 30 = 108 | (4.6 + 4.7) × 1.7 = 15.81 | 7.9 × 48 = 379.2 |
| 7.2 × 0.32 ≈ (保留两位小数) 2.30 | 4.0 × 2 = 8 | 8.86 × 6.0 ≈ (保留两位小数) 53.16 |
| 1.7 × 2.12 ≈ (保留两位小数) 3.60 | 9.6 × 9.5 = 91.2 | (4.0 + 0.1) × 4.3 = 17.63 |
| 10.0 × 2.4 = 24 | 4.6 × 0.5 × 2 = 4.6 | 8 × 0.125 × 4.8 = 4.8 |
| 8.3 × 0.2 = 1.66 | 9.4 × 5.3 = 49.82 | 4.8 × 8 × 0.125 = 4.8 |
| 3.4 × 46 = 156.4 | (0.8 + 5.0) × 1.0 = 5.8 | 0.125 × 6.4 × 8 = 6.4 |
| 2.28 × 8.97 ≈ (保留两位小数) 20.45 | 3.6 × 4 × 2.5 = 36 | 0.2 × 9 = 1.8 |
| 9.6 × 35 = 336 | 8 × 0.125 × 4.8 = 4.8 | 9.86 × 6.58 ≈ (保留两位小数) 64.88 |
| 9.2 × 2.4 = 22.08 | 1.6 × 4.4 = 7.04 | 7.6 × 27 = 205.2 |
| (0.3 + 3.5) × 4.4 = 16.72 | 5.15 × 8.48 ≈ (保留两位小数) 43.67 | 2.5 × 4 × 1.6 = 16 |
| 5.1 × 2.2 = 11.22 | 5.1 × 25 = 127.5 | 2.7 × 5.9 = 15.93 |
| (1.4 + 4.1) × 5.0 = 27.5 | (4.9 + 4.5) × 2.3 = 21.62 | 8.8 × 6.2 = 54.56 |
| (3.1 + 0.2) × 3.7 = 12.21 | 1.45 × 0.32 ≈ (保留两位小数) 0.46 | 1.25 × 8 × 3.2 = 32 |
| (1.6 + 2.3) × 4.2 = 16.38 | 1.0 × 50 = 50 | (1.4 + 3.8) × 3.1 = 16.12 |
| 8 × 4.8 × 0.125 = 4.8 | 5.28 × 8.27 ≈ (保留两位小数) 43.67 | 5.3 × 4.13 ≈ (保留两位小数) 21.89 |
| 0.25 × 8.4 × 4 = 8.4 | 5.55 × 3.44 ≈ (保留两位小数) 19.09 |