80 加法 10 等于多少？
80 + 10 = 90
80加法10 等于 90
竖式演算
验算
- 用减法验算：90 − 10 = 80
- 用减法验算：90 − 80 = 10
相关题目
80 + 11 = 91
80 + 9 = 89
80 + 12 = 92
80 + 8 = 88
80 + 13 = 93
80 + 7 = 87
80 + 14 = 94
80 + 6 = 86
79 + 10 = 89
81 + 10 = 91
78 + 10 = 88
82 + 10 = 92
83 + 10 = 93
77 + 10 = 87
84 + 10 = 94
76 + 10 = 86
1 + 89 = 90
2 + 88 = 90
3 + 87 = 90
4 + 86 = 90
5 + 85 = 90
6 + 84 = 90
31 + 63 = 94
14 + 44 = 58
42 + 21 = 63
10 + 18 = 28
73 + 22 = 95
6 + 53 = 59
5 × 18 = 90
90 × 1 = 90