47 加法 40 等于多少？
47 + 40 = 87
47加法40 等于 87
竖式演算
验算
- 用减法验算：87 − 40 = 47
- 用减法验算：87 − 47 = 40
相关题目
47 + 39 = 86
47 + 41 = 88
47 + 38 = 85
47 + 42 = 89
47 + 37 = 84
47 + 43 = 90
47 + 44 = 91
47 + 36 = 83
46 + 40 = 86
48 + 40 = 88
49 + 40 = 89
45 + 40 = 85
50 + 40 = 90
44 + 40 = 84
51 + 40 = 91
43 + 40 = 83
1 + 86 = 87
2 + 85 = 87
3 + 84 = 87
4 + 83 = 87
5 + 82 = 87
6 + 81 = 87
21 + 55 = 76
44 + 21 = 65
12 + 43 = 55
5 + 21 = 26
44 + 34 = 78
22 + 45 = 67
1 × 87 = 87
92 - 5 = 87