47 加法 42 等于多少？
47 + 42 = 89
47加法42 等于 89
竖式演算
验算
- 用减法验算：89 − 42 = 47
- 用减法验算：89 − 47 = 42
相关题目
47 + 41 = 88
47 + 43 = 90
47 + 40 = 87
47 + 44 = 91
47 + 39 = 86
47 + 45 = 92
47 + 38 = 85
47 + 46 = 93
46 + 42 = 88
48 + 42 = 90
49 + 42 = 91
45 + 42 = 87
50 + 42 = 92
44 + 42 = 86
51 + 42 = 93
43 + 42 = 85
1 + 88 = 89
2 + 87 = 89
3 + 86 = 89
4 + 85 = 89
5 + 84 = 89
6 + 83 = 89
34 + 13 = 47
45 + 2 = 47
22 + 57 = 79
41 + 20 = 61
11 + 35 = 46
100 + 36 = 136
100 - 11 = 89
91 - 2 = 89