22 加法 49 等于多少？
22 + 49 = 71
22加法49 等于 71
竖式演算
验算
- 用减法验算：71 − 49 = 22
- 用减法验算：71 − 22 = 49
相关题目
22 + 48 = 70
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22 + 52 = 74
22 + 53 = 75
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21 + 49 = 70
23 + 49 = 72
20 + 49 = 69
24 + 49 = 73
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2 + 69 = 71
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85 - 14 = 71