72 加法 20 等于多少？
72 + 20 = 92
72加法20 等于 92
竖式演算
验算
- 用减法验算：92 − 20 = 72
- 用减法验算：92 − 72 = 20
相关题目
72 + 19 = 91
72 + 21 = 93
72 + 22 = 94
72 + 18 = 90
72 + 23 = 95
72 + 17 = 89
72 + 24 = 96
72 + 16 = 88
71 + 20 = 91
73 + 20 = 93
74 + 20 = 94
70 + 20 = 90
75 + 20 = 95
69 + 20 = 89
76 + 20 = 96
68 + 20 = 88
1 + 91 = 92
2 + 90 = 92
3 + 89 = 92
4 + 88 = 92
5 + 87 = 92
6 + 86 = 92
27 + 2 = 29
13 + 73 = 86
20 + 65 = 85
23 + 3 = 26
52 + 21 = 73
70 + 22 = 92
97 - 5 = 92
95 - 3 = 92