三年级上册 分数的初步认识（笔算）
姓名：_______________
学号：_______________
用时：_______________
| 19 + 79 = | 25 + 15 = | 12 + 12 = |
| 14 + 14 = | 35 + 15 = | 23 + 13 = |
| 17 + 27 = | 69 + 29 = | 59 + 19 = |
| 23 - 13 = | 14 + 14 = | 47 + 17 = |
| 28 + 48 = | 47 - 37 = | 78 - 18 = |
| 25 - 15 = | 57 + 17 = | 47 - 37 = |
| 19 + 49 = | 45 - 15 = | 46 + 16 = |
| 12 + 12 = | 89 - 19 = | 24 - 14 = |
| 79 + 19 = | 78 - 18 = | 13 + 13 = |
| 13 + 13 = | 210 + 210 = | 29 - 19 = |
| 78 + 18 = | 23 - 13 = | 23 - 13 = |
| 610 + 210 = | 78 - 18 = | 23 - 13 = |
| 12 - 12 = | 36 + 26 = | 23 - 13 = |
| 34 - 14 = | 24 - 14 = | 12 - 12 = |
| 17 + 47 = | 310 + 210 = | 34 - 14 = |
| 36 - 26 = | 48 - 38 = | 13 + 13 = |
| 610 + 210 = | 12 - 12 = |
三年级上册 分数的初步认识（笔算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| 19 + 79 = 89 | 25 + 15 = 35 | 12 + 12 = 1 |
| 14 + 14 = 12 | 35 + 15 = 45 | 23 + 13 = 1 |
| 17 + 27 = 37 | 69 + 29 = 89 | 59 + 19 = 23 |
| 23 - 13 = 13 | 14 + 14 = 12 | 47 + 17 = 57 |
| 28 + 48 = 34 | 47 - 37 = 17 | 78 - 18 = 34 |
| 25 - 15 = 15 | 57 + 17 = 67 | 47 - 37 = 17 |
| 19 + 49 = 59 | 45 - 15 = 35 | 46 + 16 = 56 |
| 12 + 12 = 1 | 89 - 19 = 79 | 24 - 14 = 14 |
| 79 + 19 = 89 | 78 - 18 = 34 | 13 + 13 = 23 |
| 13 + 13 = 23 | 210 + 210 = 25 | 29 - 19 = 19 |
| 78 + 18 = 1 | 23 - 13 = 13 | 23 - 13 = 13 |
| 610 + 210 = 45 | 78 - 18 = 34 | 23 - 13 = 13 |
| 12 - 12 = 0 | 36 + 26 = 56 | 23 - 13 = 13 |
| 34 - 14 = 12 | 24 - 14 = 14 | 12 - 12 = 0 |
| 17 + 47 = 57 | 310 + 210 = 12 | 34 - 14 = 12 |
| 36 - 26 = 16 | 48 - 38 = 18 | 13 + 13 = 23 |
| 610 + 210 = 45 | 12 - 12 = 0 |