20 减法 10 等于多少？
20 - 10 = 10
20减法10 等于 10
竖式演算
验算
- 用加法验算：10 + 10 = 20
相关题目
20 - 9 = 11
20 - 11 = 9
20 - 8 = 12
20 - 12 = 8
20 - 7 = 13
20 - 13 = 7
20 - 6 = 14
20 - 14 = 6
19 - 10 = 9
21 - 10 = 11
22 - 10 = 12
18 - 10 = 8
23 - 10 = 13
17 - 10 = 7
24 - 10 = 14
16 - 10 = 6
11 - 1 = 10
12 - 2 = 10
13 - 3 = 10
14 - 4 = 10
15 - 5 = 10
16 - 6 = 10
64 - 21 = 43
88 - 8 = 80
95 - 14 = 81
48 - 41 = 7
74 - 73 = 1
68 - 62 = 6
7 + 3 = 10
2 + 8 = 10