2 加法 69 等于多少？
2 + 69 = 71
2加法69 等于 71
竖式演算
验算
- 用减法验算：71 − 69 = 2
- 用减法验算：71 − 2 = 69
相关题目
2 + 68 = 70
2 + 70 = 72
2 + 67 = 69
2 + 71 = 73
2 + 66 = 68
2 + 72 = 74
2 + 65 = 67
2 + 73 = 75
1 + 69 = 70
3 + 69 = 72
4 + 69 = 73
5 + 69 = 74
6 + 69 = 75
7 + 69 = 76
8 + 69 = 77
9 + 69 = 78
1 + 70 = 71
3 + 68 = 71
4 + 67 = 71
5 + 66 = 71
6 + 65 = 71
7 + 64 = 71
96 + 52 = 148
70 + 91 = 161
32 + 94 = 126
80 + 80 = 160
62 + 52 = 114
65 + 52 = 117
76 - 5 = 71
88 - 17 = 71