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Azertyuiop
a fost răspuns

efectuati 10+2x{86-5x[3+3x(9-2x3)]}

Răspuns :

12×{86-5×[3+3×(9-6)]}=12×{86-5×[3+3×3]}=12×{86-5×[3+9]}=12×{86-5×12}=12×{86-60}=12×26=312
Sper ca te-am ajutat.
10+2×{86-5×[3+3×(9-2×3)]}=
10+2×[86-5×(3+3×3)]=
10+2×(86-5×12)=
10+2×26=
10+52=62.

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