五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| (1.4 + 4.1) × 3.8 = | 0.2 × 5 × 4.5 = | 0.5 × 45 = |
| 2.5 × 3.6 × 4 = | 6.6 × 43 = | (3.2 + 1.3) × 0.8 = |
| 8 × 6.4 × 1.25 = | 6.92 × 1.05 ≈ (保留两位小数) | 4.6 × 0.5 × 2 = |
| 4.84 × 3.6 ≈ (保留两位小数) | 5.07 × 8.33 ≈ (保留两位小数) | 6.4 × 7.7 = |
| 3.1 × 8.3 = | (3.5 + 2.8) × 0.8 = | 5.9 × 8.3 = |
| 9.75 × 0.53 ≈ (保留两位小数) | (1.8 + 1.1) × 2.3 = | 7.3 × 7.5 = |
| 9.8 × 45 = | 2.8 × 5.4 = | 0.2 × 14 = |
| (0.3 + 1.8) × 3.5 = | 0.6 × 7 = | (1.9 + 2.8) × 4.1 = |
| 3.5 × 5 × 0.2 = | (3.2 + 0.6) × 1.8 = | 7.19 × 5.08 ≈ (保留两位小数) |
| 8.9 × 33 = | 6.42 × 2.4 ≈ (保留两位小数) | 4.6 × 2 × 0.5 = |
| 1.6 × 2.5 × 4 = | 5.6 × 28 = | 2.8 × 4 = |
| 4 × 1.6 × 2.5 = | (4.8 + 0.9) × 0.4 = | 5.23 × 4.75 ≈ (保留两位小数) |
| 5.8 × 6.8 = | (0.3 + 1.3) × 3.5 = | (0.7 + 4.6) × 1.1 = |
| 7.3 × 8.3 = | 6.4 × 8 × 1.25 = | 6.8 × 0.25 × 4 = |
| 8.6 × 20 = | 2 × 0.5 × 5.8 = | 5.4 × 13 = |
| 0.8 × 31 = | 3.06 × 4.53 ≈ (保留两位小数) | (1.2 + 3.4) × 2.1 = |
| 5.6 × 23 = | 0.2 × 5 × 3.5 = |
五年级上册 小数乘法(笔算)(答案)
姓名:_______________
学号:_______________
用时:_______________
| (1.4 + 4.1) × 3.8 = 20.9 | 0.2 × 5 × 4.5 = 4.5 | 0.5 × 45 = 22.5 |
| 2.5 × 3.6 × 4 = 36 | 6.6 × 43 = 283.8 | (3.2 + 1.3) × 0.8 = 3.6 |
| 8 × 6.4 × 1.25 = 64 | 6.92 × 1.05 ≈ (保留两位小数) 7.27 | 4.6 × 0.5 × 2 = 4.6 |
| 4.84 × 3.6 ≈ (保留两位小数) 17.42 | 5.07 × 8.33 ≈ (保留两位小数) 42.23 | 6.4 × 7.7 = 49.28 |
| 3.1 × 8.3 = 25.73 | (3.5 + 2.8) × 0.8 = 5.04 | 5.9 × 8.3 = 48.97 |
| 9.75 × 0.53 ≈ (保留两位小数) 5.17 | (1.8 + 1.1) × 2.3 = 6.67 | 7.3 × 7.5 = 54.75 |
| 9.8 × 45 = 441 | 2.8 × 5.4 = 15.12 | 0.2 × 14 = 2.8 |
| (0.3 + 1.8) × 3.5 = 7.35 | 0.6 × 7 = 4.2 | (1.9 + 2.8) × 4.1 = 19.27 |
| 3.5 × 5 × 0.2 = 3.5 | (3.2 + 0.6) × 1.8 = 6.84 | 7.19 × 5.08 ≈ (保留两位小数) 36.53 |
| 8.9 × 33 = 293.7 | 6.42 × 2.4 ≈ (保留两位小数) 15.41 | 4.6 × 2 × 0.5 = 4.6 |
| 1.6 × 2.5 × 4 = 16 | 5.6 × 28 = 156.8 | 2.8 × 4 = 11.2 |
| 4 × 1.6 × 2.5 = 16 | (4.8 + 0.9) × 0.4 = 2.28 | 5.23 × 4.75 ≈ (保留两位小数) 24.84 |
| 5.8 × 6.8 = 39.44 | (0.3 + 1.3) × 3.5 = 5.6 | (0.7 + 4.6) × 1.1 = 5.83 |
| 7.3 × 8.3 = 60.59 | 6.4 × 8 × 1.25 = 64 | 6.8 × 0.25 × 4 = 6.8 |
| 8.6 × 20 = 172 | 2 × 0.5 × 5.8 = 5.8 | 5.4 × 13 = 70.2 |
| 0.8 × 31 = 24.8 | 3.06 × 4.53 ≈ (保留两位小数) 13.86 | (1.2 + 3.4) × 2.1 = 9.66 |
| 5.6 × 23 = 128.8 | 0.2 × 5 × 3.5 = 3.5 |