49 加法 23 等于多少？
49 + 23 = 72
49加法23 等于 72
竖式演算
验算
- 用减法验算：72 − 23 = 49
- 用减法验算：72 − 49 = 23
相关题目
49 + 22 = 71
49 + 24 = 73
49 + 21 = 70
49 + 25 = 74
49 + 20 = 69
49 + 26 = 75
49 + 19 = 68
49 + 27 = 76
48 + 23 = 71
50 + 23 = 73
47 + 23 = 70
51 + 23 = 74
46 + 23 = 69
52 + 23 = 75
53 + 23 = 76
45 + 23 = 68
1 + 71 = 72
2 + 70 = 72
3 + 69 = 72
4 + 68 = 72
5 + 67 = 72
6 + 66 = 72
81 + 78 = 159
52 + 90 = 142
45 + 60 = 105
62 + 61 = 123
30 + 87 = 117
76 + 5 = 81
77 - 5 = 72
72 × 1 = 72