58 加法 21 等于多少？
58 + 21 = 79
58加法21 等于 79
竖式演算
验算
- 用减法验算：79 − 21 = 58
- 用减法验算：79 − 58 = 21
相关题目
58 + 20 = 78
58 + 22 = 80
58 + 19 = 77
58 + 23 = 81
58 + 24 = 82
58 + 18 = 76
58 + 25 = 83
58 + 17 = 75
57 + 21 = 78
59 + 21 = 80
56 + 21 = 77
60 + 21 = 81
55 + 21 = 76
61 + 21 = 82
62 + 21 = 83
54 + 21 = 75
1 + 78 = 79
2 + 77 = 79
3 + 76 = 79
4 + 75 = 79
5 + 74 = 79
6 + 73 = 79
25 + 41 = 66
95 + 4 = 99
24 + 2 = 26
2 + 2 = 4
2 + 62 = 64
30 + 69 = 99
91 - 12 = 79
99 - 20 = 79