31 加法 100 等于多少？
31 + 100 = 131
31加法100 等于 131
竖式演算
验算
- 用减法验算：131 − 100 = 31
- 用减法验算：131 − 31 = 100
相关题目
31 + 99 = 130
31 + 98 = 129
31 + 97 = 128
31 + 96 = 127
31 + 95 = 126
31 + 94 = 125
31 + 93 = 124
31 + 92 = 123
30 + 100 = 130
32 + 100 = 132
29 + 100 = 129
33 + 100 = 133
28 + 100 = 128
34 + 100 = 134
35 + 100 = 135
27 + 100 = 127
32 + 99 = 131
33 + 98 = 131
34 + 97 = 131
35 + 96 = 131
36 + 95 = 131
37 + 94 = 131
45 + 44 = 89
20 + 65 = 85
81 + 1 = 82
31 + 66 = 97
55 + 24 = 79
2 + 93 = 95
25 + 59 = 84
49 + 87 = 136