7 加法 71 等于多少？
7 + 71 = 78
7加法71 等于 78
竖式演算
验算
- 用减法验算：78 − 71 = 7
- 用减法验算：78 − 7 = 71
相关题目
7 + 70 = 77
7 + 72 = 79
7 + 69 = 76
7 + 73 = 80
7 + 74 = 81
7 + 68 = 75
7 + 75 = 82
7 + 67 = 74
6 + 71 = 77
8 + 71 = 79
5 + 71 = 76
9 + 71 = 80
4 + 71 = 75
10 + 71 = 81
11 + 71 = 82
3 + 71 = 74
1 + 77 = 78
2 + 76 = 78
3 + 75 = 78
4 + 74 = 78
5 + 73 = 78
6 + 72 = 78
31 + 18 = 49
71 + 16 = 87
23 + 21 = 44
40 + 32 = 72
5 + 22 = 27
24 + 32 = 56
1 × 78 = 78
94 - 16 = 78