78 减法 1 等于多少？
78 - 1 = 77
78减法1 等于 77
竖式演算
验算
- 用加法验算：77 + 1 = 78
相关题目
78 - 2 = 76
78 - 3 = 75
78 - 4 = 74
78 - 5 = 73
78 - 6 = 72
78 - 7 = 71
78 - 8 = 70
78 - 9 = 69
77 - 1 = 76
79 - 1 = 78
76 - 1 = 75
80 - 1 = 79
75 - 1 = 74
81 - 1 = 80
74 - 1 = 73
82 - 1 = 81
79 - 2 = 77
80 - 3 = 77
81 - 4 = 77
82 - 5 = 77
83 - 6 = 77
84 - 7 = 77
89 - 20 = 69
67 - 24 = 43
41 - 1 = 40
77 - 26 = 51
94 - 24 = 70
89 - 73 = 16
34 + 43 = 77
46 + 31 = 77