23 减法 1 等于多少?
23 - 1 = 22
23减法1 等于 22
竖式演算
验算
- 用加法验算:22 + 1 = 23
相关题目
23 - 2 = 21
23 - 3 = 20
23 - 4 = 19
23 - 5 = 18
23 - 6 = 17
23 - 7 = 16
23 - 8 = 15
23 - 9 = 14
22 - 1 = 21
24 - 1 = 23
21 - 1 = 20
25 - 1 = 24
20 - 1 = 19
26 - 1 = 25
19 - 1 = 18
27 - 1 = 26
24 - 2 = 22
25 - 3 = 22
26 - 4 = 22
27 - 5 = 22
28 - 6 = 22
29 - 7 = 22
81 - 21 = 60
93 - 32 = 61
76 - 12 = 64
84 - 71 = 13
94 - 62 = 32
65 - 24 = 41
18 + 4 = 22
2 + 20 = 22