12 x 0 8 July 8, 2019 16 32 64 128 12 x 0 80 12 x 0 85 12 x 0 83 12 x 0 89 12 5 х 0 8 12 3 х 0 8 2 1 12 х 0 8 12 4х при х 0 8 Х 12 )( х 81 )= 0 X 2 12 8 0 12 5 x 0 8 X 12 )( x 81 )= 0 X2 8 x 12 0 12 5 x 0 8 bằng bao nhiêu 7x 12 x 8 0