18 加法 80 等于多少？
18 + 80 = 98
18加法80 等于 98
竖式演算
验算
- 用减法验算：98 − 80 = 18
- 用减法验算：98 − 18 = 80
相关题目
18 + 79 = 97
18 + 81 = 99
18 + 78 = 96
18 + 82 = 100
18 + 83 = 101
18 + 77 = 95
18 + 84 = 102
18 + 76 = 94
17 + 80 = 97
19 + 80 = 99
20 + 80 = 100
16 + 80 = 96
21 + 80 = 101
15 + 80 = 95
22 + 80 = 102
14 + 80 = 94
1 + 97 = 98
2 + 96 = 98
3 + 95 = 98
4 + 94 = 98
5 + 93 = 98
6 + 92 = 98
44 + 5 = 49
16 + 70 = 86
43 + 14 = 57
9 + 50 = 59
58 + 1 = 59
20 + 37 = 57
1 × 98 = 98
7 × 14 = 98