Question

[20-[6+(4+1)x2]+1}x3 quan e a reosta

Answer 1

{20 - [ 6 + (4 + 1) x 2] + 1} x 3
{ 20 - [ 6 + (5 ) x 2 ] + 1} x 3
{ 20 - [ 6 + 10 ] + 1 } x 3
[ 20 - 16 + 1 } x 3
{5} x 3
15