4 加法 84 等于多少？
4 + 84 = 88
4加法84 等于 88
竖式演算
验算
- 用减法验算：88 − 84 = 4
- 用减法验算：88 − 4 = 84
相关题目
4 + 83 = 87
4 + 85 = 89
4 + 82 = 86
4 + 86 = 90
4 + 87 = 91
4 + 81 = 85
4 + 88 = 92
4 + 80 = 84
3 + 84 = 87
5 + 84 = 89
2 + 84 = 86
6 + 84 = 90
1 + 84 = 85
7 + 84 = 91
8 + 84 = 92
9 + 84 = 93
1 + 87 = 88
2 + 86 = 88
3 + 85 = 88
5 + 83 = 88
6 + 82 = 88
7 + 81 = 88
73 + 13 = 86
12 + 57 = 69
66 + 10 = 76
43 + 1 = 44
30 + 47 = 77
41 + 10 = 51
91 - 3 = 88
89 - 1 = 88