三年级上册 分数的初步认识（笔算）
姓名：_______________
学号：_______________
用时：_______________
| 37 + 37 = | 34 + 14 = | 510 - 310 = |
| 68 + 18 = | 45 + 15 = | 23 + 13 = |
| 23 - 13 = | 12 - 12 = | 12 + 12 = |
| 34 - 14 = | 48 - 38 = | 57 + 17 = |
| 710 - 210 = | 25 + 25 = | 68 - 58 = |
| 510 - 110 = | 12 + 12 = | 26 + 26 = |
| 48 + 28 = | 12 - 12 = | 17 + 37 = |
| 58 + 18 = | 69 + 29 = | 13 + 13 = |
| 25 - 15 = | 29 - 19 = | 36 + 16 = |
| 13 + 13 = | 23 + 13 = | 24 - 14 = |
| 57 - 47 = | 23 + 13 = | 46 - 16 = |
| 23 - 13 = | 12 + 12 = | 49 - 19 = |
| 68 - 58 = | 12 + 12 = | 67 - 17 = |
| 24 - 14 = | 29 + 69 = | 45 - 15 = |
| 58 - 28 = | 23 + 13 = | 69 + 29 = |
| 24 - 14 = | 12 - 12 = | 23 - 13 = |
| 79 + 19 = | 510 - 410 = |
三年级上册 分数的初步认识（笔算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| 37 + 37 = 67 | 34 + 14 = 1 | 510 - 310 = 15 |
| 68 + 18 = 78 | 45 + 15 = 1 | 23 + 13 = 1 |
| 23 - 13 = 13 | 12 - 12 = 0 | 12 + 12 = 1 |
| 34 - 14 = 12 | 48 - 38 = 18 | 57 + 17 = 67 |
| 710 - 210 = 12 | 25 + 25 = 45 | 68 - 58 = 18 |
| 510 - 110 = 25 | 12 + 12 = 1 | 26 + 26 = 23 |
| 48 + 28 = 34 | 12 - 12 = 0 | 17 + 37 = 47 |
| 58 + 18 = 34 | 69 + 29 = 89 | 13 + 13 = 23 |
| 25 - 15 = 15 | 29 - 19 = 19 | 36 + 16 = 23 |
| 13 + 13 = 23 | 23 + 13 = 1 | 24 - 14 = 14 |
| 57 - 47 = 17 | 23 + 13 = 1 | 46 - 16 = 12 |
| 23 - 13 = 13 | 12 + 12 = 1 | 49 - 19 = 13 |
| 68 - 58 = 18 | 12 + 12 = 1 | 67 - 17 = 57 |
| 24 - 14 = 14 | 29 + 69 = 89 | 45 - 15 = 35 |
| 58 - 28 = 38 | 23 + 13 = 1 | 69 + 29 = 89 |
| 24 - 14 = 14 | 12 - 12 = 0 | 23 - 13 = 13 |
| 79 + 19 = 89 | 510 - 410 = 110 |