23 加法 67 等于多少？
23 + 67 = 90
23加法67 等于 90
竖式演算
验算
- 用减法验算：90 − 67 = 23
- 用减法验算：90 − 23 = 67
相关题目
23 + 66 = 89
23 + 68 = 91
23 + 65 = 88
23 + 69 = 92
23 + 64 = 87
23 + 70 = 93
23 + 71 = 94
23 + 63 = 86
22 + 67 = 89
24 + 67 = 91
21 + 67 = 88
25 + 67 = 92
20 + 67 = 87
26 + 67 = 93
19 + 67 = 86
27 + 67 = 94
1 + 89 = 90
2 + 88 = 90
3 + 87 = 90
4 + 86 = 90
5 + 85 = 90
6 + 84 = 90
43 + 62 = 105
43 + 85 = 128
74 + 41 = 115
81 + 73 = 154
61 + 61 = 122
15 + 76 = 91
97 - 7 = 90
94 - 4 = 90