38 加法 17 等于多少？
38 + 17 = 55
38加法17 等于 55
竖式演算
验算
- 用减法验算：55 − 17 = 38
- 用减法验算：55 − 38 = 17
相关题目
38 + 16 = 54
38 + 18 = 56
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38 + 19 = 57
38 + 20 = 58
38 + 14 = 52
38 + 21 = 59
38 + 13 = 51
37 + 17 = 54
39 + 17 = 56
40 + 17 = 57
36 + 17 = 53
41 + 17 = 58
35 + 17 = 52
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1 + 54 = 55
2 + 53 = 55
3 + 52 = 55
4 + 51 = 55
5 + 50 = 55
6 + 49 = 55
54 + 81 = 135
80 + 92 = 172
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28 + 28 = 56
62 + 74 = 136
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61 - 6 = 55
90 - 35 = 55