五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| (1.6 + 1.8) × 1.4 = | 0.125 × 8 × 4.8 = | 5.82 × 8.21 ≈ (保留两位小数) |
| (2.4 + 1.5) × 4.7 = | 4.78 × 4 × 0.25 = | 0.2 × 5 × 3.5 = |
| 0.77 × 8.65 ≈ (保留两位小数) | (2.4 + 2.0) × 1.9 = | 7.2 × 1.25 × 8 = |
| 3.1 × 30 = | 6.4 × 30 = | 2.2 × 5 = |
| 5.1 × 14 = | (4.9 + 0.4) × 1.4 = | 2.4 × 1.5 = |
| 7.14 × 0.47 ≈ (保留两位小数) | 2.4 × 5.1 = | 4.2 × 49 = |
| 7.8 × 38 = | 9.0 × 41 = | 7.8 × 13 = |
| 8.0 × 9.3 = | 4.76 × 0.44 ≈ (保留两位小数) | 2.4 × 8 = |
| 9.9 × 5.5 = | 9.8 × 10 = | 8.96 × 1.74 ≈ (保留两位小数) |
| 5 × 4.5 × 0.2 = | (0.3 + 2.3) × 1.5 = | 2.14 × 8.79 ≈ (保留两位小数) |
| 4.6 × 0.5 × 2 = | 5.8 × 7.3 = | 6.18 × 4.87 ≈ (保留两位小数) |
| 3.4 × 1.81 ≈ (保留两位小数) | 5.04 × 4.58 ≈ (保留两位小数) | 1.3 × 10 = |
| 8 × 0.125 × 6.4 = | 8 × 1.25 × 3.2 = | 1.0 × 7.4 = |
| 9.9 × 19 = | 4 × 4.78 × 0.25 = | 5.5 × 6.8 = |
| 2.8 × 5.7 = | (2.1 + 3.6) × 0.2 = | 4.2 × 31 = |
| 4.1 × 25 = | 0.25 × 8.4 × 4 = | 4.78 × 0.25 × 4 = |
| (2.3 + 0.6) × 1.1 = | 5.1 × 6.2 = |
五年级上册 小数乘法(笔算)(答案)
姓名:_______________
学号:_______________
用时:_______________
| (1.6 + 1.8) × 1.4 = 4.76 | 0.125 × 8 × 4.8 = 4.8 | 5.82 × 8.21 ≈ (保留两位小数) 47.78 |
| (2.4 + 1.5) × 4.7 = 18.33 | 4.78 × 4 × 0.25 = 4.78 | 0.2 × 5 × 3.5 = 3.5 |
| 0.77 × 8.65 ≈ (保留两位小数) 6.66 | (2.4 + 2.0) × 1.9 = 8.36 | 7.2 × 1.25 × 8 = 72 |
| 3.1 × 30 = 93 | 6.4 × 30 = 192 | 2.2 × 5 = 11 |
| 5.1 × 14 = 71.4 | (4.9 + 0.4) × 1.4 = 7.42 | 2.4 × 1.5 = 3.6 |
| 7.14 × 0.47 ≈ (保留两位小数) 3.36 | 2.4 × 5.1 = 12.24 | 4.2 × 49 = 205.8 |
| 7.8 × 38 = 296.4 | 9.0 × 41 = 369 | 7.8 × 13 = 101.4 |
| 8.0 × 9.3 = 74.4 | 4.76 × 0.44 ≈ (保留两位小数) 2.09 | 2.4 × 8 = 19.2 |
| 9.9 × 5.5 = 54.45 | 9.8 × 10 = 98 | 8.96 × 1.74 ≈ (保留两位小数) 15.59 |
| 5 × 4.5 × 0.2 = 4.5 | (0.3 + 2.3) × 1.5 = 3.9 | 2.14 × 8.79 ≈ (保留两位小数) 18.81 |
| 4.6 × 0.5 × 2 = 4.6 | 5.8 × 7.3 = 42.34 | 6.18 × 4.87 ≈ (保留两位小数) 30.10 |
| 3.4 × 1.81 ≈ (保留两位小数) 6.15 | 5.04 × 4.58 ≈ (保留两位小数) 23.08 | 1.3 × 10 = 13 |
| 8 × 0.125 × 6.4 = 6.4 | 8 × 1.25 × 3.2 = 32 | 1.0 × 7.4 = 7.4 |
| 9.9 × 19 = 188.1 | 4 × 4.78 × 0.25 = 4.78 | 5.5 × 6.8 = 37.4 |
| 2.8 × 5.7 = 15.96 | (2.1 + 3.6) × 0.2 = 1.14 | 4.2 × 31 = 130.2 |
| 4.1 × 25 = 102.5 | 0.25 × 8.4 × 4 = 8.4 | 4.78 × 0.25 × 4 = 4.78 |
| (2.3 + 0.6) × 1.1 = 3.19 | 5.1 × 6.2 = 31.62 |