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國高中數學完全銜接手冊(因式分解.十字交程法)

Aug 12th 2013, 21:53

Q1
因式分解(a平方+b平方-1)平方-4a平方b平方

Q2
因式分解(3x-y)(x+y)-(x+y)平方-(x-y)平方

Q3
因式分解 a六平方-b六平方 x八平方-y八平方

Q4
因式分解 a四平方 +a平方b平方+b四平方 x四平方+4

Q5
因式分解 9x四平方-7x平方+1 4a四平方+1

Q6
十字交程法
1.(a+b)平方-3(a+b)+2
2.2(a-2b)平方-a+2b-15

Q7
因式分解(x平方+2x+4)(x平方+2x-6)+21

Q8
因式分解(x+1)(x+2)(x+3)(x+6)-15x平方

Q9
因式分解(xy+1)(x+1)(y+1)+xy

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