四年级下册 运算律（笔算）
姓名：_______________
学号：_______________
用时：_______________
| (9 + 14) × 4 = 36 + __ | 97 × 5 = 100 × 5 - __ × 5 |
| 98 × 8 = (100 - __) × 8 | 45 + 13 + 25 = (45 + __) + 25 |
| 25 + 24 + 2 = (25 + __) + 2 | 84 × 5 = 5 × __ |
| 96 + 37 = 37 + __ | 14 × 6 = 6 × __ |
| 93 + 58 = 58 + __ | 85 × 5 = 5 × __ |
| 19 × 3 = 3 × __ | 89 + 62 = 62 + __ |
| 42 × 3 = 3 × __ | 96 × 6 = (100 - __) × 6 |
| 15 + 3 + 42 = (15 + __) + 42 | (4 + 17) × 7 = 28 + __ |
| (7 + 4) × 4 = 28 + __ | 46 + 95 = 95 + __ |
| 95 × 3 = (100 - __) × 3 | (4 + 8) × 3 = 12 + __ |
| 48 + 8 + 10 = (48 + __) + 10 | 20 + 39 + 46 = (20 + __) + 46 |
| 39 + 1 + 8 = (39 + __) + 8 | 93 + 29 = 29 + __ |
| 47 + 19 = 19 + __ | 37 + 85 = 85 + __ |
| 88 + 66 = 66 + __ | (6 + 16) × 6 = 36 + __ |
| 28 × 5 = 5 × __ | 99 × 8 = 100 × 8 - __ × 8 |
| 14 × 2 = 2 × __ | (19 + 5) × 3 = 57 + __ |
| 71 + 66 = 66 + __ | (3 + 5) × 4 = 12 + __ |
| 96 × 2 = (100 - __) × 2 | (15 + 4) × 2 = 30 + __ |
四年级下册 运算律（笔算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| (9 + 14) × 4 = 36 + __ 56 | 97 × 5 = 100 × 5 - __ × 5 3 |
| 98 × 8 = (100 - __) × 8 2 | 45 + 13 + 25 = (45 + __) + 25 13 |
| 25 + 24 + 2 = (25 + __) + 2 24 | 84 × 5 = 5 × __ 84 |
| 96 + 37 = 37 + __ 96 | 14 × 6 = 6 × __ 14 |
| 93 + 58 = 58 + __ 93 | 85 × 5 = 5 × __ 85 |
| 19 × 3 = 3 × __ 19 | 89 + 62 = 62 + __ 89 |
| 42 × 3 = 3 × __ 42 | 96 × 6 = (100 - __) × 6 4 |
| 15 + 3 + 42 = (15 + __) + 42 3 | (4 + 17) × 7 = 28 + __ 119 |
| (7 + 4) × 4 = 28 + __ 16 | 46 + 95 = 95 + __ 46 |
| 95 × 3 = (100 - __) × 3 5 | (4 + 8) × 3 = 12 + __ 24 |
| 48 + 8 + 10 = (48 + __) + 10 8 | 20 + 39 + 46 = (20 + __) + 46 39 |
| 39 + 1 + 8 = (39 + __) + 8 1 | 93 + 29 = 29 + __ 93 |
| 47 + 19 = 19 + __ 47 | 37 + 85 = 85 + __ 37 |
| 88 + 66 = 66 + __ 88 | (6 + 16) × 6 = 36 + __ 96 |
| 28 × 5 = 5 × __ 28 | 99 × 8 = 100 × 8 - __ × 8 1 |
| 14 × 2 = 2 × __ 14 | (19 + 5) × 3 = 57 + __ 15 |
| 71 + 66 = 66 + __ 71 | (3 + 5) × 4 = 12 + __ 20 |
| 96 × 2 = (100 - __) × 2 4 | (15 + 4) × 2 = 30 + __ 8 |