42 加法 47 等于多少？
42 + 47 = 89
42加法47 等于 89
竖式演算
验算
- 用减法验算：89 − 47 = 42
- 用减法验算：89 − 42 = 47
相关题目
42 + 46 = 88
42 + 48 = 90
42 + 49 = 91
42 + 45 = 87
42 + 50 = 92
42 + 44 = 86
42 + 51 = 93
42 + 43 = 85
41 + 47 = 88
43 + 47 = 90
40 + 47 = 87
44 + 47 = 91
39 + 47 = 86
45 + 47 = 92
38 + 47 = 85
46 + 47 = 93
1 + 88 = 89
2 + 87 = 89
3 + 86 = 89
4 + 85 = 89
5 + 84 = 89
6 + 83 = 89
1 + 71 = 72
25 + 13 = 38
62 + 37 = 99
23 + 54 = 77
51 + 13 = 64
42 + 22 = 64
100 - 11 = 89
1 × 89 = 89