四年级下册 运算律（笔算）
姓名：_______________
学号：_______________
用时：_______________
| 96 × 4 = 4 × __ | 96 × 4 = 100 × 4 - __ × 4 |
| 96 × 8 = (100 - __) × 8 | 43 + 36 = 36 + __ |
| 69 × 5 = 5 × __ | 70 + 41 = 41 + __ |
| (11 + 7) × 2 = 22 + __ | (4 + 4) × 7 = 28 + __ |
| 70 × 3 = 3 × __ | (6 + 11) × 9 = 54 + __ |
| 98 × 8 = 100 × 8 - __ × 8 | 98 × 8 = (100 - __) × 8 |
| 96 × 4 = (100 - __) × 4 | 93 × 2 = 2 × __ |
| 83 × 5 = 5 × __ | 24 + 30 + 31 = (24 + __) + 31 |
| 5 + 36 + 9 = (5 + __) + 9 | 78 + 22 = 22 + __ |
| 3 + 14 + 40 = (3 + __) + 40 | 49 + 21 = 21 + __ |
| 16 × 7 = 7 × __ | 5 × 3 = 3 × __ |
| 11 + 68 = 68 + __ | 23 + 45 + 41 = (23 + __) + 41 |
| 64 + 37 = 37 + __ | (6 + 16) × 2 = 12 + __ |
| 64 × 5 = 5 × __ | 31 + 22 + 6 = (31 + __) + 6 |
| 78 + 87 = 87 + __ | 84 × 9 = 9 × __ |
| 47 + 64 = 64 + __ | (10 + 17) × 6 = 60 + __ |
| 4 + 19 + 22 = (4 + __) + 22 | 23 + 78 = 78 + __ |
| 1 + 22 + 40 = (1 + __) + 40 | 39 + 5 + 39 = (39 + __) + 39 |
四年级下册 运算律（笔算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| 96 × 4 = 4 × __ 96 | 96 × 4 = 100 × 4 - __ × 4 4 |
| 96 × 8 = (100 - __) × 8 4 | 43 + 36 = 36 + __ 43 |
| 69 × 5 = 5 × __ 69 | 70 + 41 = 41 + __ 70 |
| (11 + 7) × 2 = 22 + __ 14 | (4 + 4) × 7 = 28 + __ 28 |
| 70 × 3 = 3 × __ 70 | (6 + 11) × 9 = 54 + __ 99 |
| 98 × 8 = 100 × 8 - __ × 8 2 | 98 × 8 = (100 - __) × 8 2 |
| 96 × 4 = (100 - __) × 4 4 | 93 × 2 = 2 × __ 93 |
| 83 × 5 = 5 × __ 83 | 24 + 30 + 31 = (24 + __) + 31 30 |
| 5 + 36 + 9 = (5 + __) + 9 36 | 78 + 22 = 22 + __ 78 |
| 3 + 14 + 40 = (3 + __) + 40 14 | 49 + 21 = 21 + __ 49 |
| 16 × 7 = 7 × __ 16 | 5 × 3 = 3 × __ 5 |
| 11 + 68 = 68 + __ 11 | 23 + 45 + 41 = (23 + __) + 41 45 |
| 64 + 37 = 37 + __ 64 | (6 + 16) × 2 = 12 + __ 32 |
| 64 × 5 = 5 × __ 64 | 31 + 22 + 6 = (31 + __) + 6 22 |
| 78 + 87 = 87 + __ 78 | 84 × 9 = 9 × __ 84 |
| 47 + 64 = 64 + __ 47 | (10 + 17) × 6 = 60 + __ 102 |
| 4 + 19 + 22 = (4 + __) + 22 19 | 23 + 78 = 78 + __ 23 |
| 1 + 22 + 40 = (1 + __) + 40 22 | 39 + 5 + 39 = (39 + __) + 39 5 |