4 加法 27 等于多少?
4 + 27 = 31
4加法27 等于 31
竖式演算
验算
- 用减法验算:31 − 27 = 4
- 用减法验算:31 − 4 = 27
相关题目
4 + 26 = 30
4 + 28 = 32
4 + 29 = 33
4 + 25 = 29
4 + 30 = 34
4 + 24 = 28
4 + 31 = 35
4 + 23 = 27
3 + 27 = 30
5 + 27 = 32
2 + 27 = 29
6 + 27 = 33
1 + 27 = 28
7 + 27 = 34
8 + 27 = 35
9 + 27 = 36
1 + 30 = 31
2 + 29 = 31
3 + 28 = 31
5 + 26 = 31
6 + 25 = 31
7 + 24 = 31
84 + 64 = 148
42 + 76 = 118
48 + 34 = 82
71 + 88 = 159
35 + 9 = 44
96 + 53 = 149
68 - 37 = 31
75 - 44 = 31