28 加法 18 等于多少?
28 + 18 = 46
28加法18 等于 46
竖式演算
验算
- 用减法验算:46 − 18 = 28
- 用减法验算:46 − 28 = 18
相关题目
28 + 17 = 45
28 + 19 = 47
28 + 20 = 48
28 + 16 = 44
28 + 21 = 49
28 + 15 = 43
28 + 22 = 50
28 + 14 = 42
29 + 18 = 47
27 + 18 = 45
30 + 18 = 48
26 + 18 = 44
31 + 18 = 49
25 + 18 = 43
32 + 18 = 50
24 + 18 = 42
1 + 45 = 46
2 + 44 = 46
3 + 43 = 46
4 + 42 = 46
5 + 41 = 46
6 + 40 = 46
70 + 39 = 109
24 + 49 = 73
75 + 84 = 159
8 + 45 = 53
77 + 19 = 96
25 + 28 = 53
57 - 11 = 46
51 - 5 = 46