13 加法 49 等于多少？
13 + 49 = 62
13加法49 等于 62
竖式演算
验算
- 用减法验算：62 − 49 = 13
- 用减法验算：62 − 13 = 49
相关题目
13 + 48 = 61
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13 + 52 = 65
13 + 53 = 66
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14 + 49 = 63
11 + 49 = 60
15 + 49 = 64
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2 + 60 = 62
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