四年级下册 运算律（笔算）
姓名：_______________
学号：_______________
用时：_______________
| 89 × 6 = 6 × __ | 96 × 4 = 100 × 4 - __ × 4 |
| (19 + 9) × 6 = 114 + __ | 94 + 53 = 53 + __ |
| 99 × 5 = 100 × 5 - __ × 5 | 10 × 9 = 9 × __ |
| 44 + 12 + 44 = (44 + __) + 44 | 97 × 6 = (100 - __) × 6 |
| 58 + 29 = 29 + __ | 29 + 40 + 7 = (29 + __) + 7 |
| 11 + 44 + 47 = (11 + __) + 47 | (2 + 2) × 7 = 14 + __ |
| 98 × 8 = 100 × 8 - __ × 8 | 28 + 23 + 11 = (28 + __) + 11 |
| 82 × 7 = 7 × __ | 95 × 2 = 100 × 2 - __ × 2 |
| 98 × 6 = 100 × 6 - __ × 6 | (17 + 7) × 9 = 153 + __ |
| 6 + 8 + 22 = (6 + __) + 22 | 20 × 4 = 4 × __ |
| 58 × 5 = 5 × __ | (5 + 12) × 3 = 15 + __ |
| 20 + 20 = 20 + __ | 50 + 26 + 22 = (50 + __) + 22 |
| (14 + 1) × 4 = 56 + __ | 95 × 9 = 100 × 9 - __ × 9 |
| 84 + 19 = 19 + __ | 95 × 3 = (100 - __) × 3 |
| 10 + 23 + 8 = (10 + __) + 8 | 68 × 5 = 5 × __ |
| 46 × 4 = 4 × __ | 30 + 76 = 76 + __ |
| 92 + 62 = 62 + __ | 67 × 9 = 9 × __ |
| 15 + 32 + 26 = (15 + __) + 26 | (7 + 11) × 6 = 42 + __ |
四年级下册 运算律（笔算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| 89 × 6 = 6 × __ 89 | 96 × 4 = 100 × 4 - __ × 4 4 |
| (19 + 9) × 6 = 114 + __ 54 | 94 + 53 = 53 + __ 94 |
| 99 × 5 = 100 × 5 - __ × 5 1 | 10 × 9 = 9 × __ 10 |
| 44 + 12 + 44 = (44 + __) + 44 12 | 97 × 6 = (100 - __) × 6 3 |
| 58 + 29 = 29 + __ 58 | 29 + 40 + 7 = (29 + __) + 7 40 |
| 11 + 44 + 47 = (11 + __) + 47 44 | (2 + 2) × 7 = 14 + __ 14 |
| 98 × 8 = 100 × 8 - __ × 8 2 | 28 + 23 + 11 = (28 + __) + 11 23 |
| 82 × 7 = 7 × __ 82 | 95 × 2 = 100 × 2 - __ × 2 5 |
| 98 × 6 = 100 × 6 - __ × 6 2 | (17 + 7) × 9 = 153 + __ 63 |
| 6 + 8 + 22 = (6 + __) + 22 8 | 20 × 4 = 4 × __ 20 |
| 58 × 5 = 5 × __ 58 | (5 + 12) × 3 = 15 + __ 36 |
| 20 + 20 = 20 + __ 20 | 50 + 26 + 22 = (50 + __) + 22 26 |
| (14 + 1) × 4 = 56 + __ 4 | 95 × 9 = 100 × 9 - __ × 9 5 |
| 84 + 19 = 19 + __ 84 | 95 × 3 = (100 - __) × 3 5 |
| 10 + 23 + 8 = (10 + __) + 8 23 | 68 × 5 = 5 × __ 68 |
| 46 × 4 = 4 × __ 46 | 30 + 76 = 76 + __ 30 |
| 92 + 62 = 62 + __ 92 | 67 × 9 = 9 × __ 67 |
| 15 + 32 + 26 = (15 + __) + 26 32 | (7 + 11) × 6 = 42 + __ 66 |