78 加法 13 等于多少？
78 + 13 = 91
78加法13 等于 91
竖式演算
验算
- 用减法验算：91 − 13 = 78
- 用减法验算：91 − 78 = 13
相关题目
78 + 12 = 90
78 + 14 = 92
78 + 11 = 89
78 + 15 = 93
78 + 10 = 88
78 + 16 = 94
78 + 17 = 95
78 + 9 = 87
77 + 13 = 90
79 + 13 = 92
76 + 13 = 89
80 + 13 = 93
75 + 13 = 88
81 + 13 = 94
74 + 13 = 87
82 + 13 = 95
1 + 90 = 91
2 + 89 = 91
3 + 88 = 91
4 + 87 = 91
5 + 86 = 91
6 + 85 = 91
83 + 83 = 166
75 + 74 = 149
85 + 40 = 125
53 + 95 = 148
58 + 70 = 128
59 + 4 = 63
100 - 9 = 91
91 × 1 = 91