18 加法 71 等于多少？
18 + 71 = 89
18加法71 等于 89
竖式演算
验算
- 用减法验算：89 − 71 = 18
- 用减法验算：89 − 18 = 71
相关题目
18 + 70 = 88
18 + 72 = 90
18 + 69 = 87
18 + 73 = 91
18 + 74 = 92
18 + 68 = 86
18 + 75 = 93
18 + 67 = 85
17 + 71 = 88
19 + 71 = 90
20 + 71 = 91
16 + 71 = 87
21 + 71 = 92
15 + 71 = 86
22 + 71 = 93
14 + 71 = 85
1 + 88 = 89
2 + 87 = 89
3 + 86 = 89
4 + 85 = 89
5 + 84 = 89
6 + 83 = 89
1 + 26 = 27
24 + 65 = 89
65 + 10 = 75
84 + 3 = 87
21 + 27 = 48
44 + 54 = 98
98 - 9 = 89
94 - 5 = 89