29 加法 3 等于多少？
29 + 3 = 32
29加法3 等于 32
竖式演算
验算
- 用减法验算：32 − 3 = 29
- 用减法验算：32 − 29 = 3
相关题目
29 + 2 = 31
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29 + 6 = 35
29 + 7 = 36
29 + 8 = 37
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30 + 3 = 33
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