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Efectuati:-5×[-4-3×(-2-1)];

Răspuns :

-5x(-4-3x(-3))= -5x(-4+9)=-5x5=-25
-5 x[-4-3 x(-2-1)]=
=-5x(-4-3x-3)=
=-5x(-12-3)=
=-5x-15=
=-75