四年级下册 运算律（笔算）
姓名：_______________
学号：_______________
用时：_______________
| 96 × 6 = 100 × 6 - __ × 6 | 30 + 82 = 82 + __ |
| 12 × 6 = 6 × __ | (2 + 17) × 2 = 4 + __ |
| (1 + 3) × 3 = 3 + __ | 96 × 3 = (100 - __) × 3 |
| 96 × 3 = (100 - __) × 3 | 96 × 5 = 100 × 5 - __ × 5 |
| 11 + 64 = 64 + __ | 12 + 32 + 18 = (12 + __) + 18 |
| 76 × 8 = 8 × __ | (10 + 13) × 5 = 50 + __ |
| (6 + 18) × 6 = 36 + __ | 98 × 8 = (100 - __) × 8 |
| 24 + 47 + 4 = (24 + __) + 4 | 98 × 8 = (100 - __) × 8 |
| 39 + 23 + 47 = (39 + __) + 47 | 29 + 13 + 13 = (29 + __) + 13 |
| 98 × 8 = 100 × 8 - __ × 8 | 41 + 18 + 21 = (41 + __) + 21 |
| 14 + 32 = 32 + __ | 50 + 98 = 98 + __ |
| 96 × 6 = 100 × 6 - __ × 6 | 13 × 3 = 3 × __ |
| 24 + 32 + 24 = (24 + __) + 24 | 40 × 5 = 5 × __ |
| 89 + 92 = 92 + __ | (16 + 11) × 9 = 144 + __ |
| 13 + 60 = 60 + __ | 39 + 24 = 24 + __ |
| 26 + 86 = 86 + __ | (16 + 10) × 6 = 96 + __ |
| 14 + 5 + 47 = (14 + __) + 47 | 26 × 7 = 7 × __ |
| 81 × 2 = 2 × __ | (17 + 7) × 4 = 68 + __ |
四年级下册 运算律（笔算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| 96 × 6 = 100 × 6 - __ × 6 4 | 30 + 82 = 82 + __ 30 |
| 12 × 6 = 6 × __ 12 | (2 + 17) × 2 = 4 + __ 34 |
| (1 + 3) × 3 = 3 + __ 9 | 96 × 3 = (100 - __) × 3 4 |
| 96 × 3 = (100 - __) × 3 4 | 96 × 5 = 100 × 5 - __ × 5 4 |
| 11 + 64 = 64 + __ 11 | 12 + 32 + 18 = (12 + __) + 18 32 |
| 76 × 8 = 8 × __ 76 | (10 + 13) × 5 = 50 + __ 65 |
| (6 + 18) × 6 = 36 + __ 108 | 98 × 8 = (100 - __) × 8 2 |
| 24 + 47 + 4 = (24 + __) + 4 47 | 98 × 8 = (100 - __) × 8 2 |
| 39 + 23 + 47 = (39 + __) + 47 23 | 29 + 13 + 13 = (29 + __) + 13 13 |
| 98 × 8 = 100 × 8 - __ × 8 2 | 41 + 18 + 21 = (41 + __) + 21 18 |
| 14 + 32 = 32 + __ 14 | 50 + 98 = 98 + __ 50 |
| 96 × 6 = 100 × 6 - __ × 6 4 | 13 × 3 = 3 × __ 13 |
| 24 + 32 + 24 = (24 + __) + 24 32 | 40 × 5 = 5 × __ 40 |
| 89 + 92 = 92 + __ 89 | (16 + 11) × 9 = 144 + __ 99 |
| 13 + 60 = 60 + __ 13 | 39 + 24 = 24 + __ 39 |
| 26 + 86 = 86 + __ 26 | (16 + 10) × 6 = 96 + __ 60 |
| 14 + 5 + 47 = (14 + __) + 47 5 | 26 × 7 = 7 × __ 26 |
| 81 × 2 = 2 × __ 81 | (17 + 7) × 4 = 68 + __ 28 |