四年级下册 运算律（笔算）
姓名：_______________
学号：_______________
用时：_______________
| (4 + 2) × 5 = 20 + __ | 32 + 26 + 9 = (32 + __) + 9 |
| 96 × 2 = (100 - __) × 2 | (20 + 20) × 9 = 180 + __ |
| 26 + 32 + 38 = (26 + __) + 38 | (12 + 6) × 7 = 84 + __ |
| 29 + 60 = 60 + __ | (10 + 14) × 6 = 60 + __ |
| 98 × 2 = 100 × 2 - __ × 2 | 47 + 65 = 65 + __ |
| 69 × 7 = 7 × __ | 34 + 41 + 6 = (34 + __) + 6 |
| 96 × 9 = 100 × 9 - __ × 9 | 83 + 85 = 85 + __ |
| (4 + 1) × 9 = 36 + __ | 95 × 3 = 100 × 3 - __ × 3 |
| 71 + 16 = 16 + __ | 97 × 2 = (100 - __) × 2 |
| 99 × 3 = (100 - __) × 3 | 21 + 20 + 42 = (21 + __) + 42 |
| 51 × 5 = 5 × __ | 95 × 5 = (100 - __) × 5 |
| 68 + 11 = 11 + __ | (19 + 18) × 7 = 133 + __ |
| 41 + 76 = 76 + __ | 13 + 49 + 31 = (13 + __) + 31 |
| 96 × 8 = (100 - __) × 8 | 95 × 3 = 100 × 3 - __ × 3 |
| 84 × 5 = 5 × __ | 24 + 74 = 74 + __ |
| 55 × 2 = 2 × __ | 48 + 7 + 1 = (48 + __) + 1 |
| 98 × 2 = 100 × 2 - __ × 2 | 43 + 5 + 26 = (43 + __) + 26 |
| 65 × 2 = 2 × __ | 95 × 2 = 2 × __ |
四年级下册 运算律（笔算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| (4 + 2) × 5 = 20 + __ 10 | 32 + 26 + 9 = (32 + __) + 9 26 |
| 96 × 2 = (100 - __) × 2 4 | (20 + 20) × 9 = 180 + __ 180 |
| 26 + 32 + 38 = (26 + __) + 38 32 | (12 + 6) × 7 = 84 + __ 42 |
| 29 + 60 = 60 + __ 29 | (10 + 14) × 6 = 60 + __ 84 |
| 98 × 2 = 100 × 2 - __ × 2 2 | 47 + 65 = 65 + __ 47 |
| 69 × 7 = 7 × __ 69 | 34 + 41 + 6 = (34 + __) + 6 41 |
| 96 × 9 = 100 × 9 - __ × 9 4 | 83 + 85 = 85 + __ 83 |
| (4 + 1) × 9 = 36 + __ 9 | 95 × 3 = 100 × 3 - __ × 3 5 |
| 71 + 16 = 16 + __ 71 | 97 × 2 = (100 - __) × 2 3 |
| 99 × 3 = (100 - __) × 3 1 | 21 + 20 + 42 = (21 + __) + 42 20 |
| 51 × 5 = 5 × __ 51 | 95 × 5 = (100 - __) × 5 5 |
| 68 + 11 = 11 + __ 68 | (19 + 18) × 7 = 133 + __ 126 |
| 41 + 76 = 76 + __ 41 | 13 + 49 + 31 = (13 + __) + 31 49 |
| 96 × 8 = (100 - __) × 8 4 | 95 × 3 = 100 × 3 - __ × 3 5 |
| 84 × 5 = 5 × __ 84 | 24 + 74 = 74 + __ 24 |
| 55 × 2 = 2 × __ 55 | 48 + 7 + 1 = (48 + __) + 1 7 |
| 98 × 2 = 100 × 2 - __ × 2 2 | 43 + 5 + 26 = (43 + __) + 26 5 |
| 65 × 2 = 2 × __ 65 | 95 × 2 = 2 × __ 95 |