16 加法 8 等于多少?
16 + 8 = 24
16加法8 等于 24
竖式演算
验算
- 用减法验算:24 − 8 = 16
- 用减法验算:24 − 16 = 8
相关题目
16 + 7 = 23
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80 - 56 = 24