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Sagot :

VINS

bonjour

5

6 x 4 = 24

24 - 25

- 1

- 11

-  10 x - 12 = 120

120 - 121

= -   1

x

( x - 1 ) ( x + 1 )

x² - 1

x² - 1 - x²

= - 1

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