87 加法 30 等于多少？
87 + 30 = 117
87加法30 等于 117
竖式演算
验算
- 用减法验算：117 − 30 = 87
- 用减法验算：117 − 87 = 30
相关题目
87 + 29 = 116
87 + 31 = 118
87 + 28 = 115
87 + 32 = 119
87 + 33 = 120
87 + 27 = 114
87 + 34 = 121
87 + 26 = 113
86 + 30 = 116
88 + 30 = 118
85 + 30 = 115
89 + 30 = 119
84 + 30 = 114
90 + 30 = 120
83 + 30 = 113
91 + 30 = 121
17 + 100 = 117
18 + 99 = 117
19 + 98 = 117
20 + 97 = 117
21 + 96 = 117
22 + 95 = 117
35 + 84 = 119
47 + 29 = 76
71 + 80 = 151
86 + 41 = 127
12 + 69 = 81
90 + 61 = 151
13 × 9 = 117
39 × 3 = 117