84 加法 87 等于多少？
84 + 87 = 171
84加法87 等于 171
竖式演算
验算
- 用减法验算：171 − 87 = 84
- 用减法验算：171 − 84 = 87
相关题目
84 + 86 = 170
84 + 88 = 172
84 + 85 = 169
84 + 89 = 173
84 + 84 = 168
84 + 90 = 174
84 + 83 = 167
84 + 91 = 175
83 + 87 = 170
85 + 87 = 172
82 + 87 = 169
86 + 87 = 173
87 + 87 = 174
81 + 87 = 168
88 + 87 = 175
80 + 87 = 167
71 + 100 = 171
72 + 99 = 171
73 + 98 = 171
74 + 97 = 171
75 + 96 = 171
76 + 95 = 171
69 + 63 = 132
78 + 77 = 155
49 + 53 = 102
17 + 88 = 105
45 + 79 = 124
77 + 56 = 133
3 × 57 = 171
9 × 19 = 171