1 加法 78 等于多少？
1 + 78 = 79
1加法78 等于 79
竖式演算
验算
- 用减法验算：79 − 78 = 1
- 用减法验算：79 − 1 = 78
相关题目
1 + 77 = 78
1 + 79 = 80
1 + 76 = 77
1 + 80 = 81
1 + 75 = 76
1 + 81 = 82
1 + 74 = 75
1 + 82 = 83
2 + 78 = 80
3 + 78 = 81
4 + 78 = 82
5 + 78 = 83
6 + 78 = 84
7 + 78 = 85
8 + 78 = 86
9 + 78 = 87
2 + 77 = 79
3 + 76 = 79
4 + 75 = 79
5 + 74 = 79
6 + 73 = 79
7 + 72 = 79
16 + 83 = 99
6 + 43 = 49
10 + 72 = 82
100 + 100 = 200
51 + 26 = 77
51 + 32 = 83
87 - 8 = 79
1 × 79 = 79