16 加法 49 等于多少？
16 + 49 = 65
16加法49 等于 65
竖式演算
验算
- 用减法验算：65 − 49 = 16
- 用减法验算：65 − 16 = 49
相关题目
16 + 48 = 64
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14 + 49 = 63
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