30 加法 84 等于多少？
30 + 84 = 114
30加法84 等于 114
竖式演算
验算
- 用减法验算：114 − 84 = 30
- 用减法验算：114 − 30 = 84
相关题目
30 + 83 = 113
30 + 85 = 115
30 + 82 = 112
30 + 86 = 116
30 + 87 = 117
30 + 81 = 111
30 + 88 = 118
30 + 80 = 110
29 + 84 = 113
31 + 84 = 115
28 + 84 = 112
32 + 84 = 116
33 + 84 = 117
27 + 84 = 111
34 + 84 = 118
26 + 84 = 110
14 + 100 = 114
15 + 99 = 114
16 + 98 = 114
17 + 97 = 114
18 + 96 = 114
19 + 95 = 114
46 + 83 = 129
34 + 90 = 124
27 + 17 = 44
81 + 58 = 139
66 + 63 = 129
48 + 48 = 96
19 × 6 = 114
57 × 2 = 114