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a fost răspuns

9+[(14+3×6-4)÷4+3]÷2-2 2+2÷4³+3×27÷9¹¹+(3×2⁴-4²)÷2³​

Răspuns :

Irinagabriela54

9+[14+3×6-4)÷4+3]÷2-2=

9+[(14+18-4)÷4+3]÷2-2

9+[(32-4)÷4+3]÷2-2

9+(28÷4+3)÷2-2

9+(7+3)÷2-2

9+10÷2-2

9+5-2

14-2 = 12