Răspuns :
105-2×[11+5×3-(4+8)]=
105-2×(11+5×3-12)=
105-2×(11+15-12)=
105-2×14=
105-28=
77
105-2×(11+5×3-12)=
105-2×(11+15-12)=
105-2×14=
105-28=
77
105-2×[11+5×3-(4+8)]=
105-2×(11+5×3-12)=
105-2×(11+15-12)=
105-2×(26-12)=
105-2×14=
105-28=
77
105-2×(11+5×3-12)=
105-2×(11+15-12)=
105-2×(26-12)=
105-2×14=
105-28=
77