21 加法 36 等于多少？
21 + 36 = 57
21加法36 等于 57
竖式演算
验算
- 用减法验算：57 − 36 = 21
- 用减法验算：57 − 21 = 36
相关题目
21 + 35 = 56
21 + 37 = 58
21 + 38 = 59
21 + 34 = 55
21 + 39 = 60
21 + 33 = 54
21 + 40 = 61
21 + 32 = 53
20 + 36 = 56
22 + 36 = 58
19 + 36 = 55
23 + 36 = 59
24 + 36 = 60
18 + 36 = 54
25 + 36 = 61
17 + 36 = 53
1 + 56 = 57
2 + 55 = 57
3 + 54 = 57
4 + 53 = 57
5 + 52 = 57
6 + 51 = 57
56 + 1 = 57
66 + 3 = 69
40 + 59 = 99
11 + 30 = 41
31 + 37 = 68
6 + 20 = 26
79 - 22 = 57
92 - 35 = 57