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Calculati : -12 × 3 + 12 × (-7) + [tex] (-11) ^{2} [/tex] = 1

Răspuns :

-12 × 3 + 12 × (-7) + (-11)² = 1

-36 + (-84) + 121 = 1

-36 - 84 +121 = 1

-120 + 121 = 1

1 = 1 (A)