47 加法 30 等于多少？
47 + 30 = 77
47加法30 等于 77
竖式演算
验算
- 用减法验算：77 − 30 = 47
- 用减法验算：77 − 47 = 30
相关题目
47 + 29 = 76
47 + 31 = 78
47 + 28 = 75
47 + 32 = 79
47 + 33 = 80
47 + 27 = 74
47 + 34 = 81
47 + 26 = 73
46 + 30 = 76
48 + 30 = 78
49 + 30 = 79
45 + 30 = 75
50 + 30 = 80
44 + 30 = 74
51 + 30 = 81
43 + 30 = 73
1 + 76 = 77
2 + 75 = 77
3 + 74 = 77
4 + 73 = 77
5 + 72 = 77
6 + 71 = 77
44 + 14 = 58
10 + 20 = 30
9 + 60 = 69
1 + 32 = 33
24 + 33 = 57
83 + 11 = 94
85 - 8 = 77
94 - 17 = 77