31 加法 97 等于多少？
31 + 97 = 128
31加法97 等于 128
竖式演算
验算
- 用减法验算：128 − 97 = 31
- 用减法验算：128 − 31 = 97
相关题目
31 + 96 = 127
31 + 98 = 129
31 + 95 = 126
31 + 99 = 130
31 + 94 = 125
31 + 100 = 131
31 + 93 = 124
31 + 92 = 123
30 + 97 = 127
32 + 97 = 129
29 + 97 = 126
33 + 97 = 130
28 + 97 = 125
34 + 97 = 131
35 + 97 = 132
27 + 97 = 124
28 + 100 = 128
29 + 99 = 128
30 + 98 = 128
32 + 96 = 128
33 + 95 = 128
34 + 94 = 128
42 + 39 = 81
32 + 49 = 81
43 + 65 = 108
27 + 67 = 94
59 + 80 = 139
37 + 53 = 90
4 × 32 = 128
8 × 16 = 128