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
62 + 10 = 72
12 + 12 = 24
41 + 5 = 46
75 + 4 = 79
43 + 53 = 96
20 + 31 = 51
98 - 9 = 89
99 - 10 = 89