5 4 x 3 4 x (- 6 4 July 8, 2019 16 32 64 128 5 4 8 4x 3 4 4 6 9 4 5 x 3 7 4 5 x 6 7 4 5 x 2 7 4 x 3 )+ 4 3 x 2 )= 6 x 5 )- 5 x 4 4 x 1 6 3 5 x 4 12 4 4 5 x 3 7 4 5 x 6 7 4 5 x 4 14 3 4 x 6 11 5 11 x 3 4 5 4 4 5 x 3 7 4 phần 5 x 6 7 4 5 x 4 14 3 x-5=x+3
