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efectuati:
F)19-2^2×[4×9÷(3×2^2)]
REPEDE DAU COROANA



Răspuns :

19-2×2(36:12)=19-2×2×3=19-12=7
19-2^2 (36 : 3x2^2)=19-2^2x 12/^2=19-24=-5