23 加法 47 等于多少？
23 + 47 = 70
23加法47 等于 70
竖式演算
验算
- 用减法验算：70 − 47 = 23
- 用减法验算：70 − 23 = 47
相关题目
23 + 46 = 69
23 + 48 = 71
23 + 49 = 72
23 + 45 = 68
23 + 50 = 73
23 + 44 = 67
23 + 51 = 74
23 + 43 = 66
22 + 47 = 69
24 + 47 = 71
21 + 47 = 68
25 + 47 = 72
20 + 47 = 67
26 + 47 = 73
19 + 47 = 66
27 + 47 = 74
1 + 69 = 70
2 + 68 = 70
3 + 67 = 70
4 + 66 = 70
5 + 65 = 70
6 + 64 = 70
76 + 71 = 147
51 + 82 = 133
39 + 26 = 65
69 + 15 = 84
17 + 91 = 108
91 + 45 = 136
35 × 2 = 70
72 - 2 = 70