77 加法 3 等于多少？
77 + 3 = 80
77加法3 等于 80
竖式演算
验算
- 用减法验算：80 − 3 = 77
- 用减法验算：80 − 77 = 3
相关题目
77 + 2 = 79
77 + 4 = 81
77 + 1 = 78
77 + 5 = 82
77 + 6 = 83
77 + 7 = 84
77 + 8 = 85
77 + 9 = 86
76 + 3 = 79
78 + 3 = 81
75 + 3 = 78
79 + 3 = 82
74 + 3 = 77
80 + 3 = 83
73 + 3 = 76
81 + 3 = 84
1 + 79 = 80
2 + 78 = 80
3 + 77 = 80
4 + 76 = 80
5 + 75 = 80
6 + 74 = 80
94 + 52 = 146
42 + 90 = 132
83 + 25 = 108
90 + 66 = 156
40 + 69 = 109
34 + 16 = 50
4 × 20 = 80
82 - 2 = 80