70 加法 2 等于多少?
70 + 2 = 72
70加法2 等于 72
竖式演算
验算
- 用减法验算:72 − 2 = 70
- 用减法验算:72 − 70 = 2
相关题目
70 + 1 = 71
70 + 3 = 73
70 + 4 = 74
70 + 5 = 75
70 + 6 = 76
70 + 7 = 77
70 + 8 = 78
70 + 9 = 79
69 + 2 = 71
71 + 2 = 73
68 + 2 = 70
72 + 2 = 74
67 + 2 = 69
73 + 2 = 75
74 + 2 = 76
66 + 2 = 68
1 + 71 = 72
2 + 70 = 72
3 + 69 = 72
4 + 68 = 72
5 + 67 = 72
6 + 66 = 72
6 + 91 = 97
22 + 41 = 63
11 + 88 = 99
81 + 18 = 99
64 + 25 = 89
41 + 28 = 69
4 × 18 = 72
99 - 27 = 72