30 加法 3 等于多少？
30 + 3 = 33
30加法3 等于 33
竖式演算
验算
- 用减法验算：33 − 3 = 30
- 用减法验算：33 − 30 = 3
相关题目
30 + 2 = 32
30 + 4 = 34
30 + 1 = 31
30 + 5 = 35
30 + 6 = 36
30 + 7 = 37
30 + 8 = 38
30 + 9 = 39
29 + 3 = 32
31 + 3 = 34
28 + 3 = 31
32 + 3 = 35
33 + 3 = 36
27 + 3 = 30
34 + 3 = 37
26 + 3 = 29
1 + 32 = 33
2 + 31 = 33
3 + 30 = 33
4 + 29 = 33
5 + 28 = 33
6 + 27 = 33
24 + 61 = 85
35 + 100 = 135
12 + 37 = 49
2 + 91 = 93
31 + 24 = 55
25 + 24 = 49
89 - 56 = 33
35 - 2 = 33