三年级上册 分数的初步认识（笔算）
姓名：_______________
学号：_______________
用时：_______________
| 78 - 18 = | 79 + 19 = | 12 - 12 = |
| 23 - 13 = | 34 - 14 = | 79 - 19 = |
| 23 - 13 = | 45 + 15 = | 15 + 15 = |
| 12 - 12 = | 34 - 14 = | 37 - 27 = |
| 24 - 14 = | 45 + 15 = | 78 + 18 = |
| 610 - 510 = | 14 + 14 = | 35 + 15 = |
| 47 + 17 = | 48 - 28 = | 68 - 18 = |
| 78 + 18 = | 23 - 13 = | 35 + 15 = |
| 67 + 17 = | 610 - 510 = | 12 + 12 = |
| 12 - 12 = | 15 + 35 = | 38 - 28 = |
| 12 + 12 = | 24 - 14 = | 35 - 15 = |
| 58 - 28 = | 34 - 14 = | 27 + 17 = |
| 79 + 19 = | 48 - 28 = | 12 - 12 = |
| 35 + 15 = | 69 - 59 = | 810 - 710 = |
| 45 + 15 = | 45 - 15 = | 46 + 16 = |
| 14 + 14 = | 610 - 310 = | 59 + 39 = |
| 25 - 15 = | 610 - 510 = |
三年级上册 分数的初步认识（笔算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| 78 - 18 = 34 | 79 + 19 = 89 | 12 - 12 = 0 |
| 23 - 13 = 13 | 34 - 14 = 12 | 79 - 19 = 23 |
| 23 - 13 = 13 | 45 + 15 = 1 | 15 + 15 = 25 |
| 12 - 12 = 0 | 34 - 14 = 12 | 37 - 27 = 17 |
| 24 - 14 = 14 | 45 + 15 = 1 | 78 + 18 = 1 |
| 610 - 510 = 110 | 14 + 14 = 12 | 35 + 15 = 45 |
| 47 + 17 = 57 | 48 - 28 = 14 | 68 - 18 = 58 |
| 78 + 18 = 1 | 23 - 13 = 13 | 35 + 15 = 45 |
| 67 + 17 = 1 | 610 - 510 = 110 | 12 + 12 = 1 |
| 12 - 12 = 0 | 15 + 35 = 45 | 38 - 28 = 18 |
| 12 + 12 = 1 | 24 - 14 = 14 | 35 - 15 = 25 |
| 58 - 28 = 38 | 34 - 14 = 12 | 27 + 17 = 37 |
| 79 + 19 = 89 | 48 - 28 = 14 | 12 - 12 = 0 |
| 35 + 15 = 45 | 69 - 59 = 19 | 810 - 710 = 110 |
| 45 + 15 = 1 | 45 - 15 = 35 | 46 + 16 = 56 |
| 14 + 14 = 12 | 610 - 310 = 310 | 59 + 39 = 89 |
| 25 - 15 = 15 | 610 - 510 = 110 |