16 加法 31 等于多少？
16 + 31 = 47
16加法31 等于 47
竖式演算
验算
- 用减法验算：47 − 31 = 16
- 用减法验算：47 − 16 = 31
相关题目
16 + 30 = 46
16 + 32 = 48
16 + 29 = 45
16 + 33 = 49
16 + 28 = 44
16 + 34 = 50
16 + 35 = 51
16 + 27 = 43
15 + 31 = 46
17 + 31 = 48
14 + 31 = 45
18 + 31 = 49
13 + 31 = 44
19 + 31 = 50
20 + 31 = 51
12 + 31 = 43
1 + 46 = 47
2 + 45 = 47
3 + 44 = 47
4 + 43 = 47
5 + 42 = 47
6 + 41 = 47
91 + 100 = 191
100 + 99 = 199
100 + 67 = 167
1 + 40 = 41
11 + 64 = 75
100 + 7 = 107
97 - 50 = 47
50 - 3 = 47