[問題] 幾題簡單數學題
The equation x^2 + 4x +C =0 has x=0 as one solution. The other solution is x=?
A)-14
B)-10
C)-4
D)4
E)14
ans:A
怎麼算都是C..怪了
If the smallar of 2 consecutive odd integers is a mutiple of 5, which of the
following could NOT be the sum of these 2 integers?
A)-8
B)12
C)22
D)52
E)252
ans:A
我算C..A答案-8=-3 + -5應該可以吧
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◆ From: 220.136.214.190
推
08/23 23:33, , 1F
08/23 23:33, 1F
→
08/23 23:34, , 2F
08/23 23:34, 2F
推
08/23 23:36, , 3F
08/23 23:36, 3F
推
08/23 23:36, , 4F
08/23 23:36, 4F
推
08/23 23:43, , 5F
08/23 23:43, 5F
→
08/24 00:34, , 6F
08/24 00:34, 6F
推
08/24 02:08, , 7F
08/24 02:08, 7F
推
08/24 02:38, , 8F
08/24 02:38, 8F
→
08/24 02:39, , 9F
08/24 02:39, 9F
→
08/24 02:39, , 10F
08/24 02:39, 10F
推
08/24 03:37, , 11F
08/24 03:37, 11F
推
08/24 03:56, , 12F
08/24 03:56, 12F
推
08/24 23:52, , 13F
08/24 23:52, 13F
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