19 加法 18 等于多少?
19 + 18 = 37
19加法18 等于 37
竖式演算
验算
- 用减法验算:37 − 18 = 19
- 用减法验算:37 − 19 = 18
相关题目
19 + 17 = 36
19 + 19 = 38
19 + 20 = 39
19 + 16 = 35
19 + 21 = 40
19 + 15 = 34
19 + 22 = 41
19 + 14 = 33
20 + 18 = 38
18 + 18 = 36
21 + 18 = 39
17 + 18 = 35
22 + 18 = 40
16 + 18 = 34
23 + 18 = 41
15 + 18 = 33
1 + 36 = 37
2 + 35 = 37
3 + 34 = 37
4 + 33 = 37
5 + 32 = 37
6 + 31 = 37
54 + 36 = 90
51 + 88 = 139
51 + 50 = 101
78 + 16 = 94
48 + 37 = 85
21 + 39 = 60
91 - 54 = 37
1 × 37 = 37