三年级上册 分数的初步认识（笔算）
姓名：_______________
学号：_______________
用时：_______________
| 14 + 24 = | 310 - 210 = | 13 + 13 = |
| 49 - 39 = | 56 - 46 = | 17 + 37 = |
| 34 - 14 = | 46 + 16 = | 23 + 13 = |
| 14 + 14 = | 610 + 210 = | 68 - 58 = |
| 23 + 13 = | 310 + 310 = | 36 + 26 = |
| 45 + 15 = | 57 + 17 = | 510 + 410 = |
| 12 - 12 = | 89 + 19 = | 49 - 29 = |
| 12 - 12 = | 510 - 410 = | 37 - 17 = |
| 23 - 13 = | 14 + 14 = | 23 - 13 = |
| 37 + 27 = | 23 - 13 = | 46 + 16 = |
| 24 - 14 = | 510 - 410 = | 78 - 18 = |
| 47 + 17 = | 46 - 36 = | 23 - 13 = |
| 67 - 17 = | 38 + 18 = | 46 - 16 = |
| 12 - 12 = | 12 - 12 = | 37 + 37 = |
| 45 + 15 = | 810 + 110 = | 710 - 110 = |
| 47 - 37 = | 69 + 19 = | 49 + 19 = |
| 12 + 12 = | 45 + 15 = |
三年级上册 分数的初步认识（笔算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| 14 + 24 = 34 | 310 - 210 = 110 | 13 + 13 = 23 |
| 49 - 39 = 19 | 56 - 46 = 16 | 17 + 37 = 47 |
| 34 - 14 = 12 | 46 + 16 = 56 | 23 + 13 = 1 |
| 14 + 14 = 12 | 610 + 210 = 45 | 68 - 58 = 18 |
| 23 + 13 = 1 | 310 + 310 = 35 | 36 + 26 = 56 |
| 45 + 15 = 1 | 57 + 17 = 67 | 510 + 410 = 910 |
| 12 - 12 = 0 | 89 + 19 = 1 | 49 - 29 = 29 |
| 12 - 12 = 0 | 510 - 410 = 110 | 37 - 17 = 27 |
| 23 - 13 = 13 | 14 + 14 = 12 | 23 - 13 = 13 |
| 37 + 27 = 57 | 23 - 13 = 13 | 46 + 16 = 56 |
| 24 - 14 = 14 | 510 - 410 = 110 | 78 - 18 = 34 |
| 47 + 17 = 57 | 46 - 36 = 16 | 23 - 13 = 13 |
| 67 - 17 = 57 | 38 + 18 = 12 | 46 - 16 = 12 |
| 12 - 12 = 0 | 12 - 12 = 0 | 37 + 37 = 67 |
| 45 + 15 = 1 | 810 + 110 = 910 | 710 - 110 = 35 |
| 47 - 37 = 17 | 69 + 19 = 79 | 49 + 19 = 59 |
| 12 + 12 = 1 | 45 + 15 = 1 |