31 减法 16 等于多少?
31 - 16 = 15
31减法16 等于 15
竖式演算
验算
- 用加法验算:15 + 16 = 31
相关题目
31 - 15 = 16
31 - 17 = 14
31 - 14 = 17
31 - 18 = 13
31 - 13 = 18
31 - 19 = 12
31 - 20 = 11
31 - 12 = 19
30 - 16 = 14
32 - 16 = 16
29 - 16 = 13
33 - 16 = 17
28 - 16 = 12
34 - 16 = 18
35 - 16 = 19
27 - 16 = 11
16 - 1 = 15
17 - 2 = 15
18 - 3 = 15
19 - 4 = 15
20 - 5 = 15
21 - 6 = 15
30 - 12 = 18
80 - 79 = 1
83 - 65 = 18
10 - 5 = 5
92 - 17 = 75
6 + 9 = 15
5 × 3 = 15
11 + 4 = 15