82 加法 21 等于多少？
82 + 21 = 103
82加法21 等于 103
竖式演算
验算
- 用减法验算：103 − 21 = 82
- 用减法验算：103 − 82 = 21
相关题目
82 + 20 = 102
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82 + 24 = 106
82 + 18 = 100
82 + 25 = 107
82 + 17 = 99
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81 + 21 = 102
84 + 21 = 105
80 + 21 = 101
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4 + 99 = 103
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82 + 54 = 136
48 + 2 = 50
54 + 90 = 144
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29 + 14 = 43
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75 + 88 = 163