71 加法 18 等于多少？
71 + 18 = 89
71加法18 等于 89
竖式演算
验算
- 用减法验算：89 − 18 = 71
- 用减法验算：89 − 71 = 18
相关题目
71 + 17 = 88
71 + 19 = 90
71 + 20 = 91
71 + 16 = 87
71 + 21 = 92
71 + 15 = 86
71 + 22 = 93
71 + 14 = 85
70 + 18 = 88
72 + 18 = 90
69 + 18 = 87
73 + 18 = 91
74 + 18 = 92
68 + 18 = 86
75 + 18 = 93
67 + 18 = 85
1 + 88 = 89
2 + 87 = 89
3 + 86 = 89
4 + 85 = 89
5 + 84 = 89
6 + 83 = 89
31 + 36 = 67
46 + 40 = 86
73 + 23 = 96
60 + 33 = 93
15 + 52 = 67
44 + 5 = 49
1 × 89 = 89
94 - 5 = 89