五年级上册 小数乘法(笔算)
姓名:_______________
学号:_______________
用时:_______________
| (1.2 + 1.9) × 3.2 = | (4.8 + 0.7) × 1.9 = | 8.1 × 9.8 = |
| 8 × 4.8 × 0.125 = | 7.48 × 1.03 ≈ (保留两位小数) | 2 × 3.6 × 0.5 = |
| (0.7 + 2.5) × 4.7 = | 3.6 × 2 × 0.5 = | (3.4 + 3.0) × 4.9 = |
| 4 × 2.5 × 1.6 = | 0.25 × 4 × 6.8 = | 9.9 × 4 = |
| 4.8 × 9.6 = | 8.63 × 8.92 ≈ (保留两位小数) | 7.36 × 2.6 ≈ (保留两位小数) |
| 1.7 × 5.0 = | 8.2 × 0.6 = | 6.7 × 7 = |
| 0.2 × 5 × 3.5 = | 7.6 × 3.8 = | 6.15 × 6.59 ≈ (保留两位小数) |
| 0.25 × 4 × 8.4 = | 5.4 × 8 = | 0.33 × 5.74 ≈ (保留两位小数) |
| (3.4 + 0.3) × 2.7 = | 1.93 × 1.06 ≈ (保留两位小数) | 0.5 × 2 × 5.8 = |
| (3.4 + 4.9) × 0.9 = | 4.55 × 7.93 ≈ (保留两位小数) | 9.6 × 5.3 = |
| 4.2 × 9.3 = | 4 × 2.5 × 3.6 = | 2.2 × 47 = |
| 2.26 × 4.62 ≈ (保留两位小数) | 1.7 × 5.0 = | 2.4 × 6.2 = |
| 3.39 × 5.32 ≈ (保留两位小数) | 4 × 6.8 × 0.25 = | (0.5 + 0.4) × 1.6 = |
| 7.07 × 7.06 ≈ (保留两位小数) | (0.1 + 1.2) × 3.4 = | 8.22 × 6.91 ≈ (保留两位小数) |
| (4.1 + 4.2) × 4.5 = | 1.92 × 2.71 ≈ (保留两位小数) | 0.5 × 33 = |
| 0.125 × 6.4 × 8 = | (1.6 + 4.8) × 3.5 = | (1.4 + 0.9) × 4.4 = |
| (3.9 + 4.1) × 4.5 = | 2.42 × 4.56 ≈ (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:_______________
| (1.2 + 1.9) × 3.2 = 9.92 | (4.8 + 0.7) × 1.9 = 10.45 | 8.1 × 9.8 = 79.38 |
| 8 × 4.8 × 0.125 = 4.8 | 7.48 × 1.03 ≈ (保留两位小数) 7.70 | 2 × 3.6 × 0.5 = 3.6 |
| (0.7 + 2.5) × 4.7 = 15.04 | 3.6 × 2 × 0.5 = 3.6 | (3.4 + 3.0) × 4.9 = 31.36 |
| 4 × 2.5 × 1.6 = 16 | 0.25 × 4 × 6.8 = 6.8 | 9.9 × 4 = 39.6 |
| 4.8 × 9.6 = 46.08 | 8.63 × 8.92 ≈ (保留两位小数) 76.98 | 7.36 × 2.6 ≈ (保留两位小数) 19.14 |
| 1.7 × 5.0 = 8.5 | 8.2 × 0.6 = 4.92 | 6.7 × 7 = 46.9 |
| 0.2 × 5 × 3.5 = 3.5 | 7.6 × 3.8 = 28.88 | 6.15 × 6.59 ≈ (保留两位小数) 40.53 |
| 0.25 × 4 × 8.4 = 8.4 | 5.4 × 8 = 43.2 | 0.33 × 5.74 ≈ (保留两位小数) 1.89 |
| (3.4 + 0.3) × 2.7 = 9.99 | 1.93 × 1.06 ≈ (保留两位小数) 2.05 | 0.5 × 2 × 5.8 = 5.8 |
| (3.4 + 4.9) × 0.9 = 7.47 | 4.55 × 7.93 ≈ (保留两位小数) 36.08 | 9.6 × 5.3 = 50.88 |
| 4.2 × 9.3 = 39.06 | 4 × 2.5 × 3.6 = 36 | 2.2 × 47 = 103.4 |
| 2.26 × 4.62 ≈ (保留两位小数) 10.44 | 1.7 × 5.0 = 8.5 | 2.4 × 6.2 = 14.88 |
| 3.39 × 5.32 ≈ (保留两位小数) 18.03 | 4 × 6.8 × 0.25 = 6.8 | (0.5 + 0.4) × 1.6 = 1.44 |
| 7.07 × 7.06 ≈ (保留两位小数) 49.91 | (0.1 + 1.2) × 3.4 = 4.42 | 8.22 × 6.91 ≈ (保留两位小数) 56.80 |
| (4.1 + 4.2) × 4.5 = 37.35 | 1.92 × 2.71 ≈ (保留两位小数) 5.20 | 0.5 × 33 = 16.5 |
| 0.125 × 6.4 × 8 = 6.4 | (1.6 + 4.8) × 3.5 = 22.4 | (1.4 + 0.9) × 4.4 = 10.12 |
| (3.9 + 4.1) × 4.5 = 36 | 2.42 × 4.56 ≈ (保留两位小数) 11.04 |