40 加法 12 等于多少?
40 + 12 = 52
40加法12 等于 52
竖式演算
验算
- 用减法验算:52 − 12 = 40
- 用减法验算:52 − 40 = 12
相关题目
40 + 11 = 51
40 + 13 = 53
40 + 10 = 50
40 + 14 = 54
40 + 15 = 55
40 + 9 = 49
40 + 16 = 56
40 + 8 = 48
39 + 12 = 51
41 + 12 = 53
38 + 12 = 50
42 + 12 = 54
37 + 12 = 49
43 + 12 = 55
44 + 12 = 56
36 + 12 = 48
1 + 51 = 52
2 + 50 = 52
3 + 49 = 52
4 + 48 = 52
5 + 47 = 52
6 + 46 = 52
20 + 51 = 71
32 + 62 = 94
68 + 1 = 69
28 + 30 = 58
21 + 61 = 82
51 + 15 = 66
78 - 26 = 52
4 × 13 = 52