28 加法 7 等于多少？
28 + 7 = 35
28加法7 等于 35
竖式演算
验算
- 用减法验算：35 − 7 = 28
- 用减法验算：35 − 28 = 7
相关题目
28 + 6 = 34
28 + 8 = 36
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28 + 9 = 37
28 + 4 = 32
28 + 10 = 38
28 + 11 = 39
28 + 3 = 31
29 + 7 = 36
27 + 7 = 34
30 + 7 = 37
26 + 7 = 33
31 + 7 = 38
25 + 7 = 32
32 + 7 = 39
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2 + 33 = 35
3 + 32 = 35
4 + 31 = 35
5 + 30 = 35
6 + 29 = 35
69 + 5 = 74
43 + 90 = 133
78 + 15 = 93
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37 - 2 = 35
85 - 50 = 35