77 加法 49 等于多少?
77 + 49 = 126
77加法49 等于 126
竖式演算
验算
- 用减法验算:126 − 49 = 77
- 用减法验算:126 − 77 = 49
相关题目
77 + 48 = 125
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77 + 53 = 130
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76 + 49 = 125
78 + 49 = 127
75 + 49 = 124
79 + 49 = 128
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27 + 99 = 126
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18 + 94 = 112
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63 × 2 = 126
21 × 6 = 126