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Sagot :

Bonjour,

(-3)² - (-3) = 9 + 3 = 12

- 3 + 15 = 12

vrai

(-1)² - (-1) = 1 + 1 = 2

-1 + 15 = 14

faux

0² - 0 = 0

0 + 15 = 15

faux

5² - 5 = 25 - 5 = 20

5 + 15 = 20

vrai

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