2 x 2 40 July 8, 2019 16 32 64 128 2 x 2 40w led panel light 2 x 2 400 2 20 x 2 40 2 x 2 3x )= 40 2 5 x 2 40 2 x - 40 = 60 2 x 3 2 40 2 80 x 2 40 2 x 4 2 40 2 x 2 )+ 4x 40 2 30 x 2 40 2 10 x 2 40 2 x 8 2 40 2x 2 40 2 X 2 y 2 400
