78 加法 51 等于多少？
78 + 51 = 129
78加法51 等于 129
竖式演算
验算
- 用减法验算：129 − 51 = 78
- 用减法验算：129 − 78 = 51
相关题目
78 + 50 = 128
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78 + 47 = 125
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77 + 51 = 128
79 + 51 = 130
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30 + 99 = 129
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29 + 43 = 72
4 + 6 = 10
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3 × 43 = 129
43 × 3 = 129