49 加法 29 等于多少？
49 + 29 = 78
49加法29 等于 78
竖式演算
验算
- 用减法验算：78 − 29 = 49
- 用减法验算：78 − 49 = 29
相关题目
49 + 28 = 77
49 + 30 = 79
49 + 31 = 80
49 + 27 = 76
49 + 32 = 81
49 + 26 = 75
49 + 33 = 82
49 + 25 = 74
48 + 29 = 77
50 + 29 = 79
47 + 29 = 76
51 + 29 = 80
46 + 29 = 75
52 + 29 = 81
53 + 29 = 82
45 + 29 = 74
1 + 77 = 78
2 + 76 = 78
3 + 75 = 78
4 + 74 = 78
5 + 73 = 78
6 + 72 = 78
32 + 72 = 104
28 + 59 = 87
74 + 8 = 82
33 + 37 = 70
9 + 23 = 32
15 + 49 = 64
79 - 1 = 78
99 - 21 = 78