30 加法 87 等于多少？
30 + 87 = 117
30加法87 等于 117
竖式演算
验算
- 用减法验算：117 − 87 = 30
- 用减法验算：117 − 30 = 87
相关题目
30 + 86 = 116
30 + 88 = 118
30 + 85 = 115
30 + 89 = 119
30 + 84 = 114
30 + 90 = 120
30 + 83 = 113
30 + 91 = 121
29 + 87 = 116
31 + 87 = 118
28 + 87 = 115
32 + 87 = 119
33 + 87 = 120
27 + 87 = 114
34 + 87 = 121
26 + 87 = 113
17 + 100 = 117
18 + 99 = 117
19 + 98 = 117
20 + 97 = 117
21 + 96 = 117
22 + 95 = 117
94 + 82 = 176
81 + 86 = 167
29 + 47 = 76
93 + 26 = 119
33 + 95 = 128
32 + 95 = 127
13 × 9 = 117
39 × 3 = 117