49 加法 18 等于多少？
49 + 18 = 67
49加法18 等于 67
竖式演算
验算
- 用减法验算：67 − 18 = 49
- 用减法验算：67 − 49 = 18
相关题目
49 + 17 = 66
49 + 19 = 68
49 + 20 = 69
49 + 16 = 65
49 + 21 = 70
49 + 15 = 64
49 + 22 = 71
49 + 14 = 63
48 + 18 = 66
50 + 18 = 68
47 + 18 = 65
51 + 18 = 69
46 + 18 = 64
52 + 18 = 70
53 + 18 = 71
45 + 18 = 63
1 + 66 = 67
2 + 65 = 67
3 + 64 = 67
4 + 63 = 67
5 + 62 = 67
6 + 61 = 67
91 + 35 = 126
56 + 71 = 127
98 + 31 = 129
81 + 34 = 115
23 + 9 = 32
42 + 62 = 104
83 - 16 = 67
87 - 20 = 67