四年级下册 运算律（笔算）
姓名：_______________
学号：_______________
用时：_______________
| (16 + 19) × 6 = 96 + __ | 64 + 88 = 88 + __ |
| 20 + 60 = 60 + __ | 92 + 13 = 13 + __ |
| (4 + 13) × 6 = 24 + __ | 17 + 17 + 1 = (17 + __) + 1 |
| 6 + 40 + 35 = (6 + __) + 35 | 12 + 79 = 79 + __ |
| 96 × 5 = (100 - __) × 5 | 23 + 21 = 21 + __ |
| (4 + 12) × 8 = 32 + __ | 27 + 22 + 8 = (27 + __) + 8 |
| 96 × 3 = 100 × 3 - __ × 3 | 3 + 19 + 32 = (3 + __) + 32 |
| 93 × 7 = 7 × __ | 95 × 3 = 100 × 3 - __ × 3 |
| 33 + 85 = 85 + __ | 42 + 31 = 31 + __ |
| (1 + 9) × 5 = 5 + __ | 21 + 38 + 21 = (21 + __) + 21 |
| (3 + 17) × 3 = 9 + __ | 71 × 8 = 8 × __ |
| 23 × 5 = 5 × __ | 95 × 6 = (100 - __) × 6 |
| (9 + 6) × 5 = 45 + __ | 96 × 6 = 100 × 6 - __ × 6 |
| 3 × 5 = 5 × __ | 38 × 3 = 3 × __ |
| 98 × 3 = 100 × 3 - __ × 3 | 99 × 6 = (100 - __) × 6 |
| 23 + 9 + 2 = (23 + __) + 2 | 26 + 24 + 28 = (26 + __) + 28 |
| 60 × 9 = 9 × __ | 26 + 39 + 44 = (26 + __) + 44 |
| 99 × 2 = 100 × 2 - __ × 2 | 96 × 4 = 100 × 4 - __ × 4 |
四年级下册 运算律（笔算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| (16 + 19) × 6 = 96 + __ 114 | 64 + 88 = 88 + __ 64 |
| 20 + 60 = 60 + __ 20 | 92 + 13 = 13 + __ 92 |
| (4 + 13) × 6 = 24 + __ 78 | 17 + 17 + 1 = (17 + __) + 1 17 |
| 6 + 40 + 35 = (6 + __) + 35 40 | 12 + 79 = 79 + __ 12 |
| 96 × 5 = (100 - __) × 5 4 | 23 + 21 = 21 + __ 23 |
| (4 + 12) × 8 = 32 + __ 96 | 27 + 22 + 8 = (27 + __) + 8 22 |
| 96 × 3 = 100 × 3 - __ × 3 4 | 3 + 19 + 32 = (3 + __) + 32 19 |
| 93 × 7 = 7 × __ 93 | 95 × 3 = 100 × 3 - __ × 3 5 |
| 33 + 85 = 85 + __ 33 | 42 + 31 = 31 + __ 42 |
| (1 + 9) × 5 = 5 + __ 45 | 21 + 38 + 21 = (21 + __) + 21 38 |
| (3 + 17) × 3 = 9 + __ 51 | 71 × 8 = 8 × __ 71 |
| 23 × 5 = 5 × __ 23 | 95 × 6 = (100 - __) × 6 5 |
| (9 + 6) × 5 = 45 + __ 30 | 96 × 6 = 100 × 6 - __ × 6 4 |
| 3 × 5 = 5 × __ 3 | 38 × 3 = 3 × __ 38 |
| 98 × 3 = 100 × 3 - __ × 3 2 | 99 × 6 = (100 - __) × 6 1 |
| 23 + 9 + 2 = (23 + __) + 2 9 | 26 + 24 + 28 = (26 + __) + 28 24 |
| 60 × 9 = 9 × __ 60 | 26 + 39 + 44 = (26 + __) + 44 39 |
| 99 × 2 = 100 × 2 - __ × 2 1 | 96 × 4 = 100 × 4 - __ × 4 4 |