三年级上册 分数的初步认识（笔算）
姓名：_______________
学号：_______________
用时：_______________
| 12 + 12 = | 34 + 14 = | 58 - 48 = |
| 510 - 410 = | 19 + 39 = | 47 + 27 = |
| 12 + 12 = | 34 - 24 = | 23 - 13 = |
| 57 - 17 = | 17 + 47 = | 34 + 14 = |
| 34 + 14 = | 67 + 17 = | 26 + 36 = |
| 48 - 28 = | 69 + 19 = | 25 - 15 = |
| 12 + 12 = | 38 + 28 = | 56 - 46 = |
| 810 - 110 = | 68 - 18 = | 12 + 12 = |
| 13 + 13 = | 210 + 610 = | 810 - 110 = |
| 25 + 15 = | 12 - 12 = | 16 + 26 = |
| 34 - 14 = | 58 + 28 = | 610 - 310 = |
| 15 + 15 = | 15 + 25 = | 12 + 12 = |
| 12 + 12 = | 17 + 57 = | 24 - 14 = |
| 910 - 110 = | 12 + 12 = | 610 - 510 = |
| 310 + 110 = | 26 + 16 = | 12 - 12 = |
| 14 + 24 = | 35 - 15 = | 23 + 13 = |
| 12 + 12 = | 34 - 24 = |
三年级上册 分数的初步认识（笔算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| 12 + 12 = 1 | 34 + 14 = 1 | 58 - 48 = 18 |
| 510 - 410 = 110 | 19 + 39 = 49 | 47 + 27 = 67 |
| 12 + 12 = 1 | 34 - 24 = 14 | 23 - 13 = 13 |
| 57 - 17 = 47 | 17 + 47 = 57 | 34 + 14 = 1 |
| 34 + 14 = 1 | 67 + 17 = 1 | 26 + 36 = 56 |
| 48 - 28 = 14 | 69 + 19 = 79 | 25 - 15 = 15 |
| 12 + 12 = 1 | 38 + 28 = 58 | 56 - 46 = 16 |
| 810 - 110 = 710 | 68 - 18 = 58 | 12 + 12 = 1 |
| 13 + 13 = 23 | 210 + 610 = 45 | 810 - 110 = 710 |
| 25 + 15 = 35 | 12 - 12 = 0 | 16 + 26 = 12 |
| 34 - 14 = 12 | 58 + 28 = 78 | 610 - 310 = 310 |
| 15 + 15 = 25 | 15 + 25 = 35 | 12 + 12 = 1 |
| 12 + 12 = 1 | 17 + 57 = 67 | 24 - 14 = 14 |
| 910 - 110 = 45 | 12 + 12 = 1 | 610 - 510 = 110 |
| 310 + 110 = 25 | 26 + 16 = 12 | 12 - 12 = 0 |
| 14 + 24 = 34 | 35 - 15 = 25 | 23 + 13 = 1 |
| 12 + 12 = 1 | 34 - 24 = 14 |