7 加法 70 等于多少？
7 + 70 = 77
7加法70 等于 77
竖式演算
验算
- 用减法验算：77 − 70 = 7
- 用减法验算：77 − 7 = 70
相关题目
7 + 69 = 76
7 + 71 = 78
7 + 68 = 75
7 + 72 = 79
7 + 67 = 74
7 + 73 = 80
7 + 74 = 81
7 + 66 = 73
6 + 70 = 76
8 + 70 = 78
5 + 70 = 75
9 + 70 = 79
4 + 70 = 74
10 + 70 = 80
11 + 70 = 81
3 + 70 = 73
1 + 76 = 77
2 + 75 = 77
3 + 74 = 77
4 + 73 = 77
5 + 72 = 77
6 + 71 = 77
100 + 60 = 160
3 + 25 = 28
70 + 20 = 90
5 + 100 = 105
23 + 72 = 95
60 + 36 = 96
86 - 9 = 77
80 - 3 = 77