1 加法 70 等于多少？
1 + 70 = 71
1加法70 等于 71
竖式演算
验算
- 用减法验算：71 − 70 = 1
- 用减法验算：71 − 1 = 70
相关题目
1 + 69 = 70
1 + 71 = 72
1 + 68 = 69
1 + 72 = 73
1 + 67 = 68
1 + 73 = 74
1 + 74 = 75
1 + 66 = 67
2 + 70 = 72
3 + 70 = 73
4 + 70 = 74
5 + 70 = 75
6 + 70 = 76
7 + 70 = 77
8 + 70 = 78
9 + 70 = 79
2 + 69 = 71
3 + 68 = 71
4 + 67 = 71
5 + 66 = 71
6 + 65 = 71
7 + 64 = 71
30 + 69 = 99
93 + 2 = 95
10 + 5 = 15
10 + 78 = 88
24 + 22 = 46
2 + 86 = 88
85 - 14 = 71
78 - 7 = 71