20 加法 72 等于多少?
20 + 72 = 92
20加法72 等于 92
竖式演算
验算
- 用减法验算:92 − 72 = 20
- 用减法验算:92 − 20 = 72
相关题目
20 + 71 = 91
20 + 73 = 93
20 + 74 = 94
20 + 70 = 90
20 + 75 = 95
20 + 69 = 89
20 + 76 = 96
20 + 68 = 88
19 + 72 = 91
21 + 72 = 93
22 + 72 = 94
18 + 72 = 90
23 + 72 = 95
17 + 72 = 89
24 + 72 = 96
16 + 72 = 88
1 + 91 = 92
2 + 90 = 92
3 + 89 = 92
4 + 88 = 92
5 + 87 = 92
6 + 86 = 92
14 + 25 = 39
34 + 63 = 97
56 + 11 = 67
54 + 43 = 97
48 + 40 = 88
40 + 49 = 89
96 - 4 = 92
99 - 7 = 92