72 加法 15 等于多少？
72 + 15 = 87
72加法15 等于 87
竖式演算
验算
- 用减法验算：87 − 15 = 72
- 用减法验算：87 − 72 = 15
相关题目
72 + 14 = 86
72 + 16 = 88
72 + 13 = 85
72 + 17 = 89
72 + 12 = 84
72 + 18 = 90
72 + 11 = 83
72 + 19 = 91
71 + 15 = 86
73 + 15 = 88
74 + 15 = 89
70 + 15 = 85
75 + 15 = 90
69 + 15 = 84
76 + 15 = 91
68 + 15 = 83
1 + 86 = 87
2 + 85 = 87
3 + 84 = 87
4 + 83 = 87
5 + 82 = 87
6 + 81 = 87
100 + 98 = 198
18 + 61 = 79
100 + 59 = 159
6 + 43 = 49
60 + 23 = 83
61 + 6 = 67
99 - 12 = 87
98 - 11 = 87