45 加法 30 等于多少？
45 + 30 = 75
45加法30 等于 75
竖式演算
验算
- 用减法验算：75 − 30 = 45
- 用减法验算：75 − 45 = 30
相关题目
45 + 29 = 74
45 + 31 = 76
45 + 28 = 73
45 + 32 = 77
45 + 33 = 78
45 + 27 = 72
45 + 34 = 79
45 + 26 = 71
44 + 30 = 74
46 + 30 = 76
47 + 30 = 77
43 + 30 = 73
48 + 30 = 78
42 + 30 = 72
49 + 30 = 79
41 + 30 = 71
1 + 74 = 75
2 + 73 = 75
3 + 72 = 75
4 + 71 = 75
5 + 70 = 75
6 + 69 = 75
34 + 24 = 58
33 + 3 = 36
6 + 12 = 18
12 + 17 = 29
58 + 31 = 89
24 + 31 = 55
5 × 15 = 75
84 - 9 = 75