70 加法 67 等于多少？
70 + 67 = 137
70加法67 等于 137
竖式演算
验算
- 用减法验算：137 − 67 = 70
- 用减法验算：137 − 70 = 67
相关题目
70 + 66 = 136
70 + 68 = 138
70 + 65 = 135
70 + 69 = 139
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70 + 70 = 140
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69 + 67 = 136
71 + 67 = 138
68 + 67 = 135
72 + 67 = 139
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77 + 82 = 159
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20 + 11 = 31