Question

Efectuati 
2 x 4 - 4 x {3 + 3 x [ 16 + 2 x 2 x  (16 ; 2 + 2 )]:2:3 } 31 = ?

Answer 1

am gresit ,la mine in loc sa imi dea 2x4 =8 mie mi-a dat 16 ,sunt foarte obosit si nu imi dau seama ce mai scriu

Answer 2

=8- 4x{ 3+3x[ 16+4x( 8+2 )]:2:3}x31
=8-4x[3+3x(16+40)]:2:3]x31
=8-4x(3+3x56):2:3]x31
=8-4x171:2:3x31
=8-684:2:3x31
=8-342:3x31
=8-114x31
=8-3534
=-3526