90 加法 47 等于多少？
90 + 47 = 137
90加法47 等于 137
竖式演算
验算
- 用减法验算：137 − 47 = 90
- 用减法验算：137 − 90 = 47
相关题目
90 + 46 = 136
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89 + 47 = 136
91 + 47 = 138
92 + 47 = 139
88 + 47 = 135
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38 + 99 = 137
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99 + 60 = 159
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78 + 10 = 88