79 加法 1 等于多少？
79 + 1 = 80
79加法1 等于 80
竖式演算
验算
- 用减法验算：80 − 1 = 79
- 用减法验算：80 − 79 = 1
相关题目
79 + 2 = 81
79 + 3 = 82
79 + 4 = 83
79 + 5 = 84
79 + 6 = 85
79 + 7 = 86
79 + 8 = 87
79 + 9 = 88
78 + 1 = 79
80 + 1 = 81
77 + 1 = 78
81 + 1 = 82
76 + 1 = 77
82 + 1 = 83
83 + 1 = 84
75 + 1 = 76
1 + 79 = 80
2 + 78 = 80
3 + 77 = 80
4 + 76 = 80
5 + 75 = 80
6 + 74 = 80
47 + 28 = 75
71 + 58 = 129
39 + 7 = 46
74 + 63 = 137
70 + 72 = 142
56 + 90 = 146
87 - 7 = 80
84 - 4 = 80