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{16+4x[8x2:4+12:6x(42:7:3+4x9:6)]}:(83-81)= dau coroniță dar urgenttttttt!!!!!!

Răspuns :

{16+4x[16:4+6x(6:3+36:6)]}:2=
{16+4x[4+6x(2+6)]}:2=
[16+4x(4+6x8]:2=
[(16+4x(4+48)]:2=
(16+4x52):2=
(16+208):2=
224:2=112
={16+4×[4+2×(2+6)]}÷2={16+4×20}÷2=96÷2=48