23 加法 49 等于多少？
23 + 49 = 72
23加法49 等于 72
竖式演算
验算
- 用减法验算：72 − 49 = 23
- 用减法验算：72 − 23 = 49
相关题目
23 + 48 = 71
23 + 50 = 73
23 + 47 = 70
23 + 51 = 74
23 + 46 = 69
23 + 52 = 75
23 + 53 = 76
23 + 45 = 68
22 + 49 = 71
24 + 49 = 73
21 + 49 = 70
25 + 49 = 74
20 + 49 = 69
26 + 49 = 75
19 + 49 = 68
27 + 49 = 76
1 + 71 = 72
2 + 70 = 72
3 + 69 = 72
4 + 68 = 72
5 + 67 = 72
6 + 66 = 72
5 + 39 = 44
38 + 6 = 44
45 + 84 = 129
76 + 31 = 107
40 + 67 = 107
66 + 90 = 156
89 - 17 = 72
90 - 18 = 72