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03A 因式分解 (混合)

Quiz by Wong Oi Man, Carmen

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160 questions
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  • Q1
    169x²-100y²
    (13x+10y)(13x-10y)
    30s
  • Q2
    64x²-225y²
    (8x+15y)(8x-15y)
    30s
  • Q3
    25x²-36y²
    (5x+6y)(5x-6y)
    30s
  • Q4
    4x²-81y²
    (2x+9y)(2x-9y)
    30s
  • Q5
    169x²-225y²
    (13x+15y)(13x-15y)
    30s
  • Q6
    16x²-9y²
    (4x+3y)(4x-3y)
    30s
  • Q7
    16x²-121y²
    (4x+11y)(4x-11y)
    30s
  • Q8
    81x²-49y²
    (9x+7y)(9x-7y)
    30s
  • Q9
    49x²-9y²
    (7x+3y)(7x-3y)
    30s
  • Q10
    64x²-9y²
    (8x+3y)(8x-3y)
    30s
  • Q11
    64x²-25y²
    (8x+5y)(8x-5y)
    30s
  • Q12
    64x²-121y²
    (8x+11y)(8x-11y)
    30s
  • Q13
    196x²-121y²
    (14x+11y)(14x-11y)
    30s
  • Q14
    169x²-81y²
    (13x+9y)(13x-9y)
    30s
  • Q15
    100x²-49y²
    (10x+7y)(10x-7y)
    30s

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