77 加法 9 等于多少？
77 + 9 = 86
77加法9 等于 86
竖式演算
验算
- 用减法验算：86 − 9 = 77
- 用减法验算：86 − 77 = 9
相关题目
77 + 8 = 85
77 + 10 = 87
77 + 11 = 88
77 + 7 = 84
77 + 12 = 89
77 + 6 = 83
77 + 13 = 90
77 + 5 = 82
76 + 9 = 85
78 + 9 = 87
75 + 9 = 84
79 + 9 = 88
74 + 9 = 83
80 + 9 = 89
73 + 9 = 82
81 + 9 = 90
1 + 85 = 86
2 + 84 = 86
3 + 83 = 86
4 + 82 = 86
5 + 81 = 86
6 + 80 = 86
75 + 44 = 119
39 + 25 = 64
67 + 60 = 127
24 + 19 = 43
5 + 75 = 80
70 + 49 = 119
91 - 5 = 86
88 - 2 = 86