47 加法 2 等于多少?
47 + 2 = 49
47加法2 等于 49
竖式演算
验算
- 用减法验算:49 − 2 = 47
- 用减法验算:49 − 47 = 2
相关题目
47 + 1 = 48
47 + 3 = 50
47 + 4 = 51
47 + 5 = 52
47 + 6 = 53
47 + 7 = 54
47 + 8 = 55
47 + 9 = 56
46 + 2 = 48
48 + 2 = 50
49 + 2 = 51
45 + 2 = 47
50 + 2 = 52
44 + 2 = 46
51 + 2 = 53
43 + 2 = 45
1 + 48 = 49
2 + 47 = 49
3 + 46 = 49
4 + 45 = 49
5 + 44 = 49
6 + 43 = 49
74 + 13 = 87
100 + 14 = 114
66 + 30 = 96
33 + 11 = 44
1 + 1 = 2
30 + 62 = 92
83 - 34 = 49
90 - 41 = 49