X 3 5 x 2 30 July 8, 2019 16 32 64 128 X nhân 3 5 x 2 30 5x 3 x 2 30 5x 3 x 2 30x 6 30 2 x 5 3 x 2 10 2 3 x 4 5 x 300 X 2 x 3 x 5 31x 30 X 3 6x 2 x 30 )/( x 5 X 3 x 2 kx 30 x 5 3 5 x 3 5 x 10 2 divided by 30