87 加法 3 等于多少？
87 + 3 = 90
87加法3 等于 90
竖式演算
验算
- 用减法验算：90 − 3 = 87
- 用减法验算：90 − 87 = 3
相关题目
87 + 2 = 89
87 + 4 = 91
87 + 1 = 88
87 + 5 = 92
87 + 6 = 93
87 + 7 = 94
87 + 8 = 95
87 + 9 = 96
86 + 3 = 89
88 + 3 = 91
85 + 3 = 88
89 + 3 = 92
84 + 3 = 87
90 + 3 = 93
83 + 3 = 86
91 + 3 = 94
1 + 89 = 90
2 + 88 = 90
3 + 87 = 90
4 + 86 = 90
5 + 85 = 90
6 + 84 = 90
61 + 80 = 141
74 + 34 = 108
47 + 34 = 81
51 + 61 = 112
45 + 74 = 119
95 + 74 = 169
93 - 3 = 90
91 - 1 = 90