21 加法 38 等于多少？
21 + 38 = 59
21加法38 等于 59
竖式演算
验算
- 用减法验算：59 − 38 = 21
- 用减法验算：59 − 21 = 38
相关题目
21 + 37 = 58
21 + 39 = 60
21 + 40 = 61
21 + 36 = 57
21 + 41 = 62
21 + 35 = 56
21 + 42 = 63
21 + 34 = 55
20 + 38 = 58
22 + 38 = 60
19 + 38 = 57
23 + 38 = 61
24 + 38 = 62
18 + 38 = 56
25 + 38 = 63
17 + 38 = 55
1 + 58 = 59
2 + 57 = 59
3 + 56 = 59
4 + 55 = 59
5 + 54 = 59
6 + 53 = 59
22 + 63 = 85
45 + 3 = 48
78 + 20 = 98
61 + 20 = 81
22 + 60 = 82
41 + 53 = 94
98 - 39 = 59
71 - 12 = 59