91 加法 72 等于多少？
91 + 72 = 163
91加法72 等于 163
竖式演算
验算
- 用减法验算：163 − 72 = 91
- 用减法验算：163 − 91 = 72
相关题目
91 + 71 = 162
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92 + 72 = 164
90 + 72 = 162
93 + 72 = 165
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53 + 63 = 116
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