87 加法 28 等于多少？
87 + 28 = 115
87加法28 等于 115
竖式演算
验算
- 用减法验算：115 − 28 = 87
- 用减法验算：115 − 87 = 28
相关题目
87 + 29 = 116
87 + 27 = 114
87 + 30 = 117
87 + 26 = 113
87 + 31 = 118
87 + 25 = 112
87 + 32 = 119
87 + 24 = 111
86 + 28 = 114
88 + 28 = 116
85 + 28 = 113
89 + 28 = 117
84 + 28 = 112
90 + 28 = 118
83 + 28 = 111
91 + 28 = 119
15 + 100 = 115
16 + 99 = 115
17 + 98 = 115
18 + 97 = 115
19 + 96 = 115
20 + 95 = 115
49 + 67 = 116
77 + 57 = 134
48 + 82 = 130
37 + 99 = 136
94 + 17 = 111
56 + 87 = 143
5 × 23 = 115
23 × 5 = 115