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A1
B1
C1
A5
B5
C5
3x + 5x
5x - (2x + 3)
4x + 4 + x + 1
6x - (-2x + 1)
(3x-4)-5
4x² + 3x - 2x²
A2
B2
C2
A6
B6
7x - 6x
C6
3x + (7x-2)
-2x + (-2x + 4)
8- (2x - 4)
- (2x + 1) +3
-(-2x + 1)
A3
B3
A7
C3
(3x + 1)(2x - 1)
B7
(3x + 1) + 2x
C7
8x - (3x-4)
4-(-2-4x)
2x² - 2x + 4x
6x-(-x)
A4
(5x – 2) + (x −4)
B4
C4
A8
12x5
5x – 8x + 2
7x-3-(-2x)
C8
B8
(-2x + 1) (3x + 4)
2x + 8x - 5x
C’est pour demain merci