我爱查52cha.com
问
30减31等于多少?怎么列算式?
答
30 - 31 = -1
30
- 31
-1
近期查询
52 + 87 = ?
60 × 24 = ?
68 × 73 = ?
76 - 68 = ?
77 - 47 = ?
76 - 30 = ?
80 + 82 = ?
90 - 93 = ?
65 + 99 = ?
25 × 77 = ?
53 + 29 = ?
43 × 80 = ?
42 + 49 = ?
97 × 25 = ?
66 - 92 = ?
其他人在看
25 × 68 = 1700
30 + 49 = 79
86 × 40 = 3440
22 × 95 = 2090
21 × 21 = 441
22 - 64 = -42