四年级下册 运算律（笔算）
姓名：_______________
学号：_______________
用时：_______________
| (10 + 11) × 6 = 60 + __ | 95 × 3 = (100 - __) × 3 |
| 15 + 30 = 30 + __ | 95 × 8 = (100 - __) × 8 |
| (9 + 19) × 5 = 45 + __ | 26 + 44 + 33 = (26 + __) + 33 |
| 93 + 16 = 16 + __ | 96 + 75 = 75 + __ |
| 99 × 2 = 100 × 2 - __ × 2 | 22 + 73 = 73 + __ |
| 65 × 7 = 7 × __ | (1 + 14) × 2 = 2 + __ |
| (2 + 13) × 8 = 16 + __ | (6 + 20) × 7 = 42 + __ |
| (13 + 2) × 8 = 104 + __ | 97 × 7 = (100 - __) × 7 |
| 46 + 38 + 46 = (46 + __) + 46 | 59 + 78 = 78 + __ |
| 98 × 5 = 100 × 5 - __ × 5 | 73 + 19 = 19 + __ |
| 94 + 15 = 15 + __ | 17 × 9 = 9 × __ |
| 12 + 7 + 35 = (12 + __) + 35 | 3 + 26 + 7 = (3 + __) + 7 |
| 97 × 6 = (100 - __) × 6 | 61 + 62 = 62 + __ |
| 96 × 6 = (100 - __) × 6 | 32 × 5 = 5 × __ |
| 12 + 1 + 20 = (12 + __) + 20 | 92 × 3 = 3 × __ |
| 99 × 7 = (100 - __) × 7 | 93 × 4 = 4 × __ |
| (14 + 13) × 6 = 84 + __ | 95 × 2 = (100 - __) × 2 |
| (12 + 13) × 9 = 108 + __ | (2 + 4) × 9 = 18 + __ |
四年级下册 运算律（笔算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| (10 + 11) × 6 = 60 + __ 66 | 95 × 3 = (100 - __) × 3 5 |
| 15 + 30 = 30 + __ 15 | 95 × 8 = (100 - __) × 8 5 |
| (9 + 19) × 5 = 45 + __ 95 | 26 + 44 + 33 = (26 + __) + 33 44 |
| 93 + 16 = 16 + __ 93 | 96 + 75 = 75 + __ 96 |
| 99 × 2 = 100 × 2 - __ × 2 1 | 22 + 73 = 73 + __ 22 |
| 65 × 7 = 7 × __ 65 | (1 + 14) × 2 = 2 + __ 28 |
| (2 + 13) × 8 = 16 + __ 104 | (6 + 20) × 7 = 42 + __ 140 |
| (13 + 2) × 8 = 104 + __ 16 | 97 × 7 = (100 - __) × 7 3 |
| 46 + 38 + 46 = (46 + __) + 46 38 | 59 + 78 = 78 + __ 59 |
| 98 × 5 = 100 × 5 - __ × 5 2 | 73 + 19 = 19 + __ 73 |
| 94 + 15 = 15 + __ 94 | 17 × 9 = 9 × __ 17 |
| 12 + 7 + 35 = (12 + __) + 35 7 | 3 + 26 + 7 = (3 + __) + 7 26 |
| 97 × 6 = (100 - __) × 6 3 | 61 + 62 = 62 + __ 61 |
| 96 × 6 = (100 - __) × 6 4 | 32 × 5 = 5 × __ 32 |
| 12 + 1 + 20 = (12 + __) + 20 1 | 92 × 3 = 3 × __ 92 |
| 99 × 7 = (100 - __) × 7 1 | 93 × 4 = 4 × __ 93 |
| (14 + 13) × 6 = 84 + __ 78 | 95 × 2 = (100 - __) × 2 5 |
| (12 + 13) × 9 = 108 + __ 117 | (2 + 4) × 9 = 18 + __ 36 |