97 加法 31 等于多少？
97 + 31 = 128
97加法31 等于 128
竖式演算
验算
- 用减法验算：128 − 31 = 97
- 用减法验算：128 − 97 = 31
相关题目
97 + 30 = 127
97 + 32 = 129
97 + 29 = 126
97 + 33 = 130
97 + 28 = 125
97 + 34 = 131
97 + 35 = 132
97 + 27 = 124
96 + 31 = 127
98 + 31 = 129
95 + 31 = 126
99 + 31 = 130
94 + 31 = 125
100 + 31 = 131
93 + 31 = 124
92 + 31 = 123
28 + 100 = 128
29 + 99 = 128
30 + 98 = 128
31 + 97 = 128
32 + 96 = 128
33 + 95 = 128
55 + 15 = 70
89 + 1 = 90
94 + 20 = 114
9 + 41 = 50
36 + 16 = 52
56 + 26 = 82
8 × 16 = 128
32 × 4 = 128