84 加法 3 等于多少？
84 + 3 = 87
84加法3 等于 87
竖式演算
验算
- 用减法验算：87 − 3 = 84
- 用减法验算：87 − 84 = 3
相关题目
84 + 2 = 86
84 + 4 = 88
84 + 1 = 85
84 + 5 = 89
84 + 6 = 90
84 + 7 = 91
84 + 8 = 92
84 + 9 = 93
83 + 3 = 86
85 + 3 = 88
82 + 3 = 85
86 + 3 = 89
87 + 3 = 90
81 + 3 = 84
88 + 3 = 91
80 + 3 = 83
1 + 86 = 87
2 + 85 = 87
3 + 84 = 87
4 + 83 = 87
5 + 82 = 87
6 + 81 = 87
51 + 4 = 55
76 + 10 = 86
41 + 51 = 92
50 + 100 = 150
13 + 22 = 35
22 + 41 = 63
87 × 1 = 87
93 - 6 = 87