五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| (2.3 + 1.7) × 0.2 = | 0.25 × 4 × 4.78 = | (1.5 + 0.9) × 2.9 = |
| 1.8 × 2.5 = | 1.3 × 8 = | 6.8 × 0.25 × 4 = |
| (2.7 + 2.3) × 1.8 = | 8.9 × 23 = | 0.125 × 6.4 × 8 = |
| 0.5 × 2 × 3.6 = | 2 × 4.6 × 0.5 = | 7.27 × 1.03 ≈ (保留两位小数) |
| 0.25 × 6.8 × 4 = | 7.9 × 0.2 = | 2.5 × 1.6 × 4 = |
| 6.5 × 3.8 = | 9.4 × 4 = | 7.34 × 8.21 ≈ (保留两位小数) |
| 3.4 × 47 = | 8.88 × 3.82 ≈ (保留两位小数) | 4.2 × 5.1 = |
| 3.6 × 5.4 = | 4.37 × 4.0 ≈ (保留两位小数) | 9.5 × 5.8 = |
| (0.8 + 0.9) × 2.1 = | 7.2 × 49 = | 2.5 × 3.6 × 4 = |
| 6.8 × 4 × 0.25 = | 4.2 × 2.8 = | (5.0 + 2.2) × 1.8 = |
| 5.56 × 0.65 ≈ (保留两位小数) | (4.5 + 1.9) × 4.7 = | (2.6 + 2.2) × 1.9 = |
| 1.0 × 34 = | 5.8 × 2 × 0.5 = | 3.6 × 0.5 × 2 = |
| 9.8 × 8.18 ≈ (保留两位小数) | 6.8 × 1.3 = | 7.6 × 24 = |
| 3.6 × 35 = | 5.6 × 1.8 = | 8.7 × 9.9 = |
| (0.5 + 0.4) × 4.4 = | 8.8 × 4.8 = | 8 × 0.125 × 6.4 = |
| 5.8 × 2 × 0.5 = | 2.9 × 45 = | 3.4 × 9.0 = |
| 6.8 × 0.25 × 4 = | 4.31 × 2.82 ≈ (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:_______________
| (2.3 + 1.7) × 0.2 = 0.8 | 0.25 × 4 × 4.78 = 4.78 | (1.5 + 0.9) × 2.9 = 6.96 |
| 1.8 × 2.5 = 4.5 | 1.3 × 8 = 10.4 | 6.8 × 0.25 × 4 = 6.8 |
| (2.7 + 2.3) × 1.8 = 9 | 8.9 × 23 = 204.7 | 0.125 × 6.4 × 8 = 6.4 |
| 0.5 × 2 × 3.6 = 3.6 | 2 × 4.6 × 0.5 = 4.6 | 7.27 × 1.03 ≈ (保留两位小数) 7.49 |
| 0.25 × 6.8 × 4 = 6.8 | 7.9 × 0.2 = 1.58 | 2.5 × 1.6 × 4 = 16 |
| 6.5 × 3.8 = 24.7 | 9.4 × 4 = 37.6 | 7.34 × 8.21 ≈ (保留两位小数) 60.26 |
| 3.4 × 47 = 159.8 | 8.88 × 3.82 ≈ (保留两位小数) 33.92 | 4.2 × 5.1 = 21.42 |
| 3.6 × 5.4 = 19.44 | 4.37 × 4.0 ≈ (保留两位小数) 17.48 | 9.5 × 5.8 = 55.1 |
| (0.8 + 0.9) × 2.1 = 3.57 | 7.2 × 49 = 352.8 | 2.5 × 3.6 × 4 = 36 |
| 6.8 × 4 × 0.25 = 6.8 | 4.2 × 2.8 = 11.76 | (5.0 + 2.2) × 1.8 = 12.96 |
| 5.56 × 0.65 ≈ (保留两位小数) 3.61 | (4.5 + 1.9) × 4.7 = 30.08 | (2.6 + 2.2) × 1.9 = 9.12 |
| 1.0 × 34 = 34 | 5.8 × 2 × 0.5 = 5.8 | 3.6 × 0.5 × 2 = 3.6 |
| 9.8 × 8.18 ≈ (保留两位小数) 80.16 | 6.8 × 1.3 = 8.84 | 7.6 × 24 = 182.4 |
| 3.6 × 35 = 126 | 5.6 × 1.8 = 10.08 | 8.7 × 9.9 = 86.13 |
| (0.5 + 0.4) × 4.4 = 3.96 | 8.8 × 4.8 = 42.24 | 8 × 0.125 × 6.4 = 6.4 |
| 5.8 × 2 × 0.5 = 5.8 | 2.9 × 45 = 130.5 | 3.4 × 9.0 = 30.6 |
| 6.8 × 0.25 × 4 = 6.8 | 4.31 × 2.82 ≈ (保留两位小数) 12.15 |