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Sagot :

AYUDA

A = 7 + 3x3 = 7 + 9 = tu sais

B = 2 x 5 x 5 = 10 x 5 = tu sais

C = -5 + (-4) x (-4) = -5 + 16  = tu dois savoir

D = 2 - 4 x 5 x 5 = 2 - 100 = tu dois savoir

:)
A) 7+3 ²= 7+9=16
B)-5+(-4) ²=-5-16=-21
C)2*5 ²= 2*25= 50
D)2-4*5 ²= 2-4*25= 2-100=-98

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