3 加法 16 等于多少？
3 + 16 = 19
3加法16 等于 19
竖式演算
验算
- 用减法验算：19 − 16 = 3
- 用减法验算：19 − 3 = 16
相关题目
3 + 15 = 18
3 + 17 = 20
3 + 14 = 17
3 + 18 = 21
3 + 13 = 16
3 + 19 = 22
3 + 20 = 23
3 + 12 = 15
2 + 16 = 18
4 + 16 = 20
1 + 16 = 17
5 + 16 = 21
6 + 16 = 22
7 + 16 = 23
8 + 16 = 24
9 + 16 = 25
1 + 18 = 19
2 + 17 = 19
4 + 15 = 19
5 + 14 = 19
6 + 13 = 19
7 + 12 = 19
47 + 100 = 147
73 + 16 = 89
30 + 34 = 64
2 + 75 = 77
16 + 72 = 88
99 - 80 = 19
23 - 4 = 19
60 - 41 = 19