-_- 邊個哈你呀
wankel 發表於 22-1-2010 18:21 http://www.nakuz.com/bbs/images/common/back.gif
比某人用大機哈我/_\
等陣我地團lin
If 4x^2 - kx - 4 is divided by x-1 and 2x+1 respectively, the remainders are the same. Find the value of k.
咬飯將開始
+1 食飯即將開始 囧
6a+b = 14
4a-2b = 2
唔記得聯立點做= =
再次回來了... > O <
晚上好[]
6a+b = 14
4a-2b = 2
唔記得聯立點做= =
五月霜 發表於 22-1-2010 19:02 http://www.nakuz.com/bbs/images/common/back.gif
(6a+b)+(4a-2b)=14+2
10a-b=16
10a=16+b
10a-16=b
4a-2(10a-16)=14
-16a-16=14
-16a=30
a=1.875
10(1.875)-16=b
b=2.75
就算式計而已...是不是這樣呢...? (汗
(6a+b)+(4a-2b)=14+2
10a-b=16
10a=16+b
10a-16=b
4a-2(10a-16)=14
-16a-16=14
-16a=30
a=1.875
10(1.875)-16=b
b=2.75
就算式計而已...是不是這樣呢...? (汗
Dueldoll 發表於 22-1-2010 19:13 http://www.nakuz.com/bbs/images/common/back.gif
冬冬的計算能力
到底真冬是f幾嫁