我爱查52cha.com
问
20减21等于多少?怎么列算式?
答
20 - 21 = -1
20
- 21
-1
近期查询
81 - 62 = ?
66 + 71 = ?
39 × 91 = ?
83 - 54 = ?
70 + 69 = ?
57 - 98 = ?
72 × 44 = ?
47 × 14 = ?
13 × 31 = ?
28 + 71 = ?
66 + 53 = ?
72 × 19 = ?
52 - 48 = ?
15 + 32 = ?
34 × 92 = ?
其他人在看
78 - 50 = 28
66 - 23 = 43
41 × 60 = 2460
22 × 64 = 1408
25 + 82 = 107
37 × 48 = 1776