Algebra

Opgaver

Flere reduktioner

1.

  1. (25x + 2y) - (7x-y)   
  2. (2a - b) - (a - 8b)
  3. 4x + (9x +8y) - (7x +3y)
  4. (25x + 2y) + (7x - y)
  5. 8 + 7x + (3y - 4x + 5) - 3 -2y
  6. 5x - (2x + 3y)

 2.

  1. 2x-( - (-2x+y) +3y) + (4x - 7y)
  2. (4a +4b) - (5a - b) +10a + (b - a)
  3. 6x + (8x + 5y) - 5x - (2y - 6y)
  4. 4a - (7a - (3b + 4a) - 12b) -(2a + 3b)
  5. (7a + 9b) - 5a - ( 7b - 4a)
  6. (4a + 4b) + (5a - b) +10a - (b - 2a)

3.

  1. 5(2a + 4b)
  2. 5x - 4(x - 2y) - 7y
  3. 4x(y - 4) + y(3x + 5)
  4. 7(3x + 2y) - (3x - 4y) + 2(2x +y)
  5. 5(9x + 7z) - 3(8x -3z)
  6. (-4)(-2 - 4y) - 12y

 

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