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中五數學難題

雅虎贊助網站載入中...

ngtszwai2009

2011-2-17 12:47

# 1

x^3+x^2+x^1+1=0
x等於幾多??

freestyle140

2011-4-22 23:23

# 2

x = -1

siuwinch4

2011-5-16 15:11

# 3

thanks for sharing~

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