29 加法 61 等于多少？
29 + 61 = 90
29加法61 等于 90
竖式演算
验算
- 用减法验算：90 − 61 = 29
- 用减法验算：90 − 29 = 61
相关题目
29 + 60 = 89
29 + 62 = 91
29 + 59 = 88
29 + 63 = 92
29 + 58 = 87
29 + 64 = 93
29 + 65 = 94
29 + 57 = 86
28 + 61 = 89
30 + 61 = 91
31 + 61 = 92
27 + 61 = 88
32 + 61 = 93
26 + 61 = 87
33 + 61 = 94
25 + 61 = 86
1 + 89 = 90
2 + 88 = 90
3 + 87 = 90
4 + 86 = 90
5 + 85 = 90
6 + 84 = 90
43 + 80 = 123
21 + 82 = 103
9 + 21 = 30
25 + 80 = 105
9 + 86 = 95
84 + 90 = 174
98 - 8 = 90
18 × 5 = 90