20 加法 58 等于多少？
20 + 58 = 78
20加法58 等于 78
竖式演算
验算
- 用减法验算：78 − 58 = 20
- 用减法验算：78 − 20 = 58
相关题目
20 + 57 = 77
20 + 59 = 79
20 + 56 = 76
20 + 60 = 80
20 + 55 = 75
20 + 61 = 81
20 + 62 = 82
20 + 54 = 74
19 + 58 = 77
21 + 58 = 79
22 + 58 = 80
18 + 58 = 76
23 + 58 = 81
17 + 58 = 75
24 + 58 = 82
16 + 58 = 74
1 + 77 = 78
2 + 76 = 78
3 + 75 = 78
4 + 74 = 78
5 + 73 = 78
6 + 72 = 78
70 + 21 = 91
21 + 20 = 41
40 + 11 = 51
30 + 36 = 66
14 + 15 = 29
41 + 40 = 81
97 - 19 = 78
92 - 14 = 78