21 加法 16 等于多少？
21 + 16 = 37
21加法16 等于 37
竖式演算
验算
- 用减法验算：37 − 16 = 21
- 用减法验算：37 − 21 = 16
相关题目
21 + 15 = 36
21 + 17 = 38
21 + 14 = 35
21 + 18 = 39
21 + 13 = 34
21 + 19 = 40
21 + 20 = 41
21 + 12 = 33
20 + 16 = 36
22 + 16 = 38
19 + 16 = 35
23 + 16 = 39
24 + 16 = 40
18 + 16 = 34
25 + 16 = 41
17 + 16 = 33
1 + 36 = 37
2 + 35 = 37
3 + 34 = 37
4 + 33 = 37
5 + 32 = 37
6 + 31 = 37
63 + 36 = 99
71 + 26 = 97
100 + 6 = 106
90 + 100 = 190
5 + 71 = 76
34 + 62 = 96
37 × 1 = 37
80 - 43 = 37