72 加法 17 等于多少？
72 + 17 = 89
72加法17 等于 89
竖式演算
验算
- 用减法验算：89 − 17 = 72
- 用减法验算：89 − 72 = 17
相关题目
72 + 16 = 88
72 + 18 = 90
72 + 15 = 87
72 + 19 = 91
72 + 20 = 92
72 + 14 = 86
72 + 21 = 93
72 + 13 = 85
71 + 17 = 88
73 + 17 = 90
74 + 17 = 91
70 + 17 = 87
75 + 17 = 92
69 + 17 = 86
76 + 17 = 93
68 + 17 = 85
1 + 88 = 89
2 + 87 = 89
3 + 86 = 89
4 + 85 = 89
5 + 84 = 89
6 + 83 = 89
2 + 44 = 46
20 + 20 = 40
11 + 14 = 25
4 + 75 = 79
55 + 11 = 66
3 + 96 = 99
94 - 5 = 89
91 - 2 = 89