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
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