2 加法 3 等于多少？
2 + 3 = 5
2加法3 等于 5
竖式演算
验算
- 用减法验算：5 − 3 = 2
- 用减法验算：5 − 2 = 3
相关题目
2 + 2 = 4
2 + 4 = 6
2 + 1 = 3
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2 + 6 = 8
2 + 7 = 9
2 + 8 = 10
2 + 9 = 11
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3 + 3 = 6
4 + 3 = 7
5 + 3 = 8
6 + 3 = 9
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3 + 2 = 5
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31 + 21 = 52
98 + 1 = 99
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12 + 22 = 34
64 + 1 = 65
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53 - 48 = 5
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