四年级下册 运算律（笔算）
姓名：_______________
学号：_______________
用时：_______________
| 95 × 3 = 100 × 3 - __ × 3 | 59 × 4 = 4 × __ |
| 15 + 83 = 83 + __ | (2 + 7) × 6 = 12 + __ |
| 46 + 24 + 17 = (46 + __) + 17 | 79 + 77 = 77 + __ |
| 45 + 5 + 38 = (45 + __) + 38 | 24 + 39 + 6 = (24 + __) + 6 |
| (11 + 3) × 6 = 66 + __ | 3 + 42 + 50 = (3 + __) + 50 |
| 79 + 27 = 27 + __ | 47 × 7 = 7 × __ |
| 16 × 2 = 2 × __ | 74 × 5 = 5 × __ |
| 95 × 3 = (100 - __) × 3 | 88 + 67 = 67 + __ |
| 11 + 16 + 6 = (11 + __) + 6 | 98 × 4 = (100 - __) × 4 |
| 8 × 7 = 7 × __ | 43 + 39 + 35 = (43 + __) + 35 |
| (2 + 4) × 2 = 4 + __ | 62 + 35 = 35 + __ |
| 96 × 9 = (100 - __) × 9 | (19 + 9) × 8 = 152 + __ |
| (7 + 1) × 8 = 56 + __ | 34 + 45 + 34 = (34 + __) + 34 |
| 71 + 98 = 98 + __ | 57 + 29 = 29 + __ |
| 96 × 7 = 100 × 7 - __ × 7 | 26 + 6 + 41 = (26 + __) + 41 |
| 29 × 7 = 7 × __ | 97 × 4 = 100 × 4 - __ × 4 |
| (16 + 12) × 5 = 80 + __ | 95 × 9 = (100 - __) × 9 |
| 41 + 44 = 44 + __ | 64 + 81 = 81 + __ |
四年级下册 运算律（笔算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| 95 × 3 = 100 × 3 - __ × 3 5 | 59 × 4 = 4 × __ 59 |
| 15 + 83 = 83 + __ 15 | (2 + 7) × 6 = 12 + __ 42 |
| 46 + 24 + 17 = (46 + __) + 17 24 | 79 + 77 = 77 + __ 79 |
| 45 + 5 + 38 = (45 + __) + 38 5 | 24 + 39 + 6 = (24 + __) + 6 39 |
| (11 + 3) × 6 = 66 + __ 18 | 3 + 42 + 50 = (3 + __) + 50 42 |
| 79 + 27 = 27 + __ 79 | 47 × 7 = 7 × __ 47 |
| 16 × 2 = 2 × __ 16 | 74 × 5 = 5 × __ 74 |
| 95 × 3 = (100 - __) × 3 5 | 88 + 67 = 67 + __ 88 |
| 11 + 16 + 6 = (11 + __) + 6 16 | 98 × 4 = (100 - __) × 4 2 |
| 8 × 7 = 7 × __ 8 | 43 + 39 + 35 = (43 + __) + 35 39 |
| (2 + 4) × 2 = 4 + __ 8 | 62 + 35 = 35 + __ 62 |
| 96 × 9 = (100 - __) × 9 4 | (19 + 9) × 8 = 152 + __ 72 |
| (7 + 1) × 8 = 56 + __ 8 | 34 + 45 + 34 = (34 + __) + 34 45 |
| 71 + 98 = 98 + __ 71 | 57 + 29 = 29 + __ 57 |
| 96 × 7 = 100 × 7 - __ × 7 4 | 26 + 6 + 41 = (26 + __) + 41 6 |
| 29 × 7 = 7 × __ 29 | 97 × 4 = 100 × 4 - __ × 4 3 |
| (16 + 12) × 5 = 80 + __ 60 | 95 × 9 = (100 - __) × 9 5 |
| 41 + 44 = 44 + __ 41 | 64 + 81 = 81 + __ 64 |