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
77 + 22 = 99
12 + 27 = 39
13 + 83 = 96
32 + 6 = 38
64 + 11 = 75
40 + 17 = 57
11 × 7 = 77
99 - 22 = 77