三年级上册 分数的初步认识（笔算）
姓名：_______________
学号：_______________
用时：_______________
| 35 + 15 = | 45 - 15 = | 12 + 12 = |
| 25 + 25 = | 47 - 37 = | 37 - 27 = |
| 17 + 47 = | 24 - 14 = | 12 - 12 = |
| 56 - 16 = | 510 + 310 = | 110 + 810 = |
| 810 - 110 = | 34 - 14 = | 23 - 13 = |
| 37 - 27 = | 28 + 48 = | 14 + 14 = |
| 210 + 510 = | 36 + 16 = | 67 - 17 = |
| 25 + 25 = | 58 - 28 = | 67 - 17 = |
| 57 + 17 = | 26 + 26 = | 45 - 35 = |
| 45 - 15 = | 39 + 19 = | 35 + 15 = |
| 16 + 26 = | 58 - 48 = | 36 - 26 = |
| 12 + 12 = | 27 + 17 = | 47 - 17 = |
| 89 + 19 = | 12 + 12 = | 34 + 14 = |
| 24 - 14 = | 35 + 15 = | 26 - 16 = |
| 810 - 110 = | 34 - 14 = | 57 - 17 = |
| 23 - 13 = | 56 - 16 = | 79 - 19 = |
| 24 + 14 = | 26 - 16 = |
三年级上册 分数的初步认识（笔算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| 35 + 15 = 45 | 45 - 15 = 35 | 12 + 12 = 1 |
| 25 + 25 = 45 | 47 - 37 = 17 | 37 - 27 = 17 |
| 17 + 47 = 57 | 24 - 14 = 14 | 12 - 12 = 0 |
| 56 - 16 = 23 | 510 + 310 = 45 | 110 + 810 = 910 |
| 810 - 110 = 710 | 34 - 14 = 12 | 23 - 13 = 13 |
| 37 - 27 = 17 | 28 + 48 = 34 | 14 + 14 = 12 |
| 210 + 510 = 710 | 36 + 16 = 23 | 67 - 17 = 57 |
| 25 + 25 = 45 | 58 - 28 = 38 | 67 - 17 = 57 |
| 57 + 17 = 67 | 26 + 26 = 23 | 45 - 35 = 15 |
| 45 - 15 = 35 | 39 + 19 = 49 | 35 + 15 = 45 |
| 16 + 26 = 12 | 58 - 48 = 18 | 36 - 26 = 16 |
| 12 + 12 = 1 | 27 + 17 = 37 | 47 - 17 = 37 |
| 89 + 19 = 1 | 12 + 12 = 1 | 34 + 14 = 1 |
| 24 - 14 = 14 | 35 + 15 = 45 | 26 - 16 = 16 |
| 810 - 110 = 710 | 34 - 14 = 12 | 57 - 17 = 47 |
| 23 - 13 = 13 | 56 - 16 = 23 | 79 - 19 = 23 |
| 24 + 14 = 34 | 26 - 16 = 16 |