2 加法 38 等于多少?
2 + 38 = 40
2加法38 等于 40
竖式演算
验算
- 用减法验算:40 − 38 = 2
- 用减法验算:40 − 2 = 38
相关题目
2 + 37 = 39
2 + 39 = 41
2 + 40 = 42
2 + 36 = 38
2 + 41 = 43
2 + 35 = 37
2 + 42 = 44
2 + 34 = 36
1 + 38 = 39
3 + 38 = 41
4 + 38 = 42
5 + 38 = 43
6 + 38 = 44
7 + 38 = 45
8 + 38 = 46
9 + 38 = 47
1 + 39 = 40
3 + 37 = 40
4 + 36 = 40
5 + 35 = 40
6 + 34 = 40
7 + 33 = 40
61 + 87 = 148
24 + 66 = 90
51 + 72 = 123
85 + 42 = 127
57 + 90 = 147
92 + 63 = 155
83 - 43 = 40
75 - 35 = 40