31 加法 16 等于多少？
31 + 16 = 47
31加法16 等于 47
竖式演算
验算
- 用减法验算：47 − 16 = 31
- 用减法验算：47 − 31 = 16
相关题目
31 + 15 = 46
31 + 17 = 48
31 + 14 = 45
31 + 18 = 49
31 + 13 = 44
31 + 19 = 50
31 + 20 = 51
31 + 12 = 43
30 + 16 = 46
32 + 16 = 48
29 + 16 = 45
33 + 16 = 49
28 + 16 = 44
34 + 16 = 50
35 + 16 = 51
27 + 16 = 43
1 + 46 = 47
2 + 45 = 47
3 + 44 = 47
4 + 43 = 47
5 + 42 = 47
6 + 41 = 47
100 + 91 = 191
13 + 3 = 16
22 + 63 = 85
24 + 20 = 44
20 + 70 = 90
21 + 21 = 42
86 - 39 = 47
92 - 45 = 47