3 加法 30 等于多少？
3 + 30 = 33
3加法30 等于 33
竖式演算
验算
- 用减法验算：33 − 30 = 3
- 用减法验算：33 − 3 = 30
相关题目
3 + 29 = 32
3 + 31 = 34
3 + 28 = 31
3 + 32 = 35
3 + 33 = 36
3 + 27 = 30
3 + 34 = 37
3 + 26 = 29
2 + 30 = 32
4 + 30 = 34
1 + 30 = 31
5 + 30 = 35
6 + 30 = 36
7 + 30 = 37
8 + 30 = 38
9 + 30 = 39
1 + 32 = 33
2 + 31 = 33
4 + 29 = 33
5 + 28 = 33
6 + 27 = 33
7 + 26 = 33
10 + 30 = 40
26 + 23 = 49
100 + 48 = 148
16 + 30 = 46
48 + 10 = 58
10 + 27 = 37
92 - 59 = 33
63 - 30 = 33