9 加法 28 等于多少？
9 + 28 = 37
9加法28 等于 37
竖式演算
验算
- 用减法验算：37 − 28 = 9
- 用减法验算：37 − 9 = 28
相关题目
9 + 29 = 38
9 + 27 = 36
9 + 30 = 39
9 + 26 = 35
9 + 31 = 40
9 + 25 = 34
9 + 32 = 41
9 + 24 = 33
8 + 28 = 36
10 + 28 = 38
11 + 28 = 39
7 + 28 = 35
12 + 28 = 40
6 + 28 = 34
13 + 28 = 41
5 + 28 = 33
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2 + 35 = 37
3 + 34 = 37
4 + 33 = 37
5 + 32 = 37
6 + 31 = 37
38 + 48 = 86
80 + 86 = 166
81 + 52 = 133
24 + 93 = 117
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7 + 55 = 62
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42 - 5 = 37