5 加法 84 等于多少？
5 + 84 = 89
5加法84 等于 89
竖式演算
验算
- 用减法验算：89 − 84 = 5
- 用减法验算：89 − 5 = 84
相关题目
5 + 83 = 88
5 + 85 = 90
5 + 82 = 87
5 + 86 = 91
5 + 87 = 92
5 + 81 = 86
5 + 88 = 93
5 + 80 = 85
4 + 84 = 88
6 + 84 = 90
3 + 84 = 87
7 + 84 = 91
2 + 84 = 86
8 + 84 = 92
1 + 84 = 85
9 + 84 = 93
1 + 88 = 89
2 + 87 = 89
3 + 86 = 89
4 + 85 = 89
6 + 83 = 89
7 + 82 = 89
63 + 21 = 84
53 + 46 = 99
100 + 7 = 107
10 + 2 = 12
43 + 25 = 68
5 + 31 = 36
93 - 4 = 89
95 - 6 = 89