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
51 + 40 = 91
27 + 70 = 97
36 + 51 = 87
1 + 46 = 47
21 + 46 = 67
63 + 100 = 163
90 - 33 = 57
83 - 26 = 57