五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| (4.6 + 2.9) × 4.6 = | 9.4 × 9.0 = | 3.9 × 2.6 = |
| 8 × 7.2 × 1.25 = | (2.3 + 1.7) × 3.7 = | 1.17 × 8.75 ≈ (保留两位小数) |
| 7.65 × 6.48 ≈ (保留两位小数) | (3.5 + 3.2) × 1.4 = | 6.7 × 32 = |
| 3.6 × 1.4 = | 5.1 × 48 = | 0.8 × 0.6 = |
| 4.3 × 20 = | 1.5 × 10 = | 3.5 × 35 = |
| 4.2 × 5.4 = | 0.9 × 6.1 = | (2.5 + 1.5) × 1.8 = |
| 9.74 × 6.96 ≈ (保留两位小数) | 4.7 × 3.8 = | 3.7 × 38 = |
| 2 × 5.8 × 0.5 = | (3.6 + 4.6) × 0.1 = | 8.3 × 5.8 = |
| 1.0 × 5.3 = | 4 × 0.25 × 8.4 = | 8 × 1.25 × 7.2 = |
| 7.2 × 20 = | 5.6 × 2.5 = | 1.8 × 8 = |
| (2.9 + 1.1) × 0.9 = | (1.1 + 2.5) × 2.9 = | 9.98 × 9.95 ≈ (保留两位小数) |
| (2.2 + 0.2) × 1.0 = | (3.7 + 3.4) × 0.3 = | 1.08 × 0.15 ≈ (保留两位小数) |
| 1.5 × 34 = | 9.6 × 2.7 = | (1.8 + 3.4) × 1.3 = |
| 8.73 × 0.52 ≈ (保留两位小数) | 4.5 × 0.2 × 5 = | 4 × 3.6 × 2.5 = |
| 0.5 × 2 × 5.8 = | 0.125 × 8 × 4.8 = | 2.3 × 42 = |
| 8.44 × 2.27 ≈ (保留两位小数) | (0.8 + 2.4) × 3.0 = | (1.3 + 3.6) × 3.9 = |
| 2.8 × 4 = | 4.9 × 5.3 = |
五年级上册 小数乘法(笔算)(答案)
姓名:_______________
学号:_______________
用时:_______________
| (4.6 + 2.9) × 4.6 = 34.5 | 9.4 × 9.0 = 84.6 | 3.9 × 2.6 = 10.14 |
| 8 × 7.2 × 1.25 = 72 | (2.3 + 1.7) × 3.7 = 14.8 | 1.17 × 8.75 ≈ (保留两位小数) 10.24 |
| 7.65 × 6.48 ≈ (保留两位小数) 49.57 | (3.5 + 3.2) × 1.4 = 9.38 | 6.7 × 32 = 214.4 |
| 3.6 × 1.4 = 5.04 | 5.1 × 48 = 244.8 | 0.8 × 0.6 = 0.48 |
| 4.3 × 20 = 86 | 1.5 × 10 = 15 | 3.5 × 35 = 122.5 |
| 4.2 × 5.4 = 22.68 | 0.9 × 6.1 = 5.49 | (2.5 + 1.5) × 1.8 = 7.2 |
| 9.74 × 6.96 ≈ (保留两位小数) 67.79 | 4.7 × 3.8 = 17.86 | 3.7 × 38 = 140.6 |
| 2 × 5.8 × 0.5 = 5.8 | (3.6 + 4.6) × 0.1 = 0.82 | 8.3 × 5.8 = 48.14 |
| 1.0 × 5.3 = 5.3 | 4 × 0.25 × 8.4 = 8.4 | 8 × 1.25 × 7.2 = 72 |
| 7.2 × 20 = 144 | 5.6 × 2.5 = 14 | 1.8 × 8 = 14.4 |
| (2.9 + 1.1) × 0.9 = 3.6 | (1.1 + 2.5) × 2.9 = 10.44 | 9.98 × 9.95 ≈ (保留两位小数) 99.30 |
| (2.2 + 0.2) × 1.0 = 2.4 | (3.7 + 3.4) × 0.3 = 2.13 | 1.08 × 0.15 ≈ (保留两位小数) 0.16 |
| 1.5 × 34 = 51 | 9.6 × 2.7 = 25.92 | (1.8 + 3.4) × 1.3 = 6.76 |
| 8.73 × 0.52 ≈ (保留两位小数) 4.54 | 4.5 × 0.2 × 5 = 4.5 | 4 × 3.6 × 2.5 = 36 |
| 0.5 × 2 × 5.8 = 5.8 | 0.125 × 8 × 4.8 = 4.8 | 2.3 × 42 = 96.6 |
| 8.44 × 2.27 ≈ (保留两位小数) 19.16 | (0.8 + 2.4) × 3.0 = 9.6 | (1.3 + 3.6) × 3.9 = 19.11 |
| 2.8 × 4 = 11.2 | 4.9 × 5.3 = 25.97 |