16 加法 21 等于多少？
16 + 21 = 37
16加法21 等于 37
竖式演算
验算
- 用减法验算：37 − 21 = 16
- 用减法验算：37 − 16 = 21
相关题目
16 + 20 = 36
16 + 22 = 38
16 + 19 = 35
16 + 23 = 39
16 + 24 = 40
16 + 18 = 34
16 + 25 = 41
16 + 17 = 33
15 + 21 = 36
17 + 21 = 38
14 + 21 = 35
18 + 21 = 39
13 + 21 = 34
19 + 21 = 40
20 + 21 = 41
12 + 21 = 33
1 + 36 = 37
2 + 35 = 37
3 + 34 = 37
4 + 33 = 37
5 + 32 = 37
6 + 31 = 37
58 + 1 = 59
10 + 86 = 96
37 + 52 = 89
31 + 33 = 64
82 + 10 = 92
41 + 30 = 71
1 × 37 = 37
97 - 60 = 37