31 加法 29 等于多少？
31 + 29 = 60
31加法29 等于 60
竖式演算
验算
- 用减法验算：60 − 29 = 31
- 用减法验算：60 − 31 = 29
相关题目
31 + 28 = 59
31 + 30 = 61
31 + 31 = 62
31 + 27 = 58
31 + 32 = 63
31 + 26 = 57
31 + 33 = 64
31 + 25 = 56
30 + 29 = 59
32 + 29 = 61
29 + 29 = 58
33 + 29 = 62
28 + 29 = 57
34 + 29 = 63
35 + 29 = 64
27 + 29 = 56
1 + 59 = 60
2 + 58 = 60
3 + 57 = 60
4 + 56 = 60
5 + 55 = 60
6 + 54 = 60
26 + 35 = 61
64 + 82 = 146
44 + 62 = 106
94 + 20 = 114
77 + 61 = 138
51 + 58 = 109
6 × 10 = 60
95 - 35 = 60