78 加法 1 等于多少？
78 + 1 = 79
78加法1 等于 79
竖式演算
验算
- 用减法验算：79 − 1 = 78
- 用减法验算：79 − 78 = 1
相关题目
78 + 2 = 80
78 + 3 = 81
78 + 4 = 82
78 + 5 = 83
78 + 6 = 84
78 + 7 = 85
78 + 8 = 86
78 + 9 = 87
77 + 1 = 78
79 + 1 = 80
76 + 1 = 77
80 + 1 = 81
75 + 1 = 76
81 + 1 = 82
74 + 1 = 75
82 + 1 = 83
1 + 78 = 79
2 + 77 = 79
3 + 76 = 79
4 + 75 = 79
5 + 74 = 79
6 + 73 = 79
90 + 5 = 95
40 + 46 = 86
24 + 54 = 78
91 + 1 = 92
54 + 2 = 56
2 + 26 = 28
81 - 2 = 79
98 - 19 = 79