29 加法 49 等于多少？
29 + 49 = 78
29加法49 等于 78
竖式演算
验算
- 用减法验算：78 − 49 = 29
- 用减法验算：78 − 29 = 49
相关题目
29 + 48 = 77
29 + 50 = 79
29 + 47 = 76
29 + 51 = 80
29 + 46 = 75
29 + 52 = 81
29 + 53 = 82
29 + 45 = 74
28 + 49 = 77
30 + 49 = 79
31 + 49 = 80
27 + 49 = 76
32 + 49 = 81
26 + 49 = 75
33 + 49 = 82
25 + 49 = 74
1 + 77 = 78
2 + 76 = 78
3 + 75 = 78
4 + 74 = 78
5 + 73 = 78
6 + 72 = 78
40 + 64 = 104
77 + 19 = 96
35 + 17 = 52
28 + 52 = 80
60 + 97 = 157
71 + 93 = 164
13 × 6 = 78
80 - 2 = 78