4 5 x 2 45 July 8, 2019 16 32 64 128 4 5x 2 45 0 5 4 x 3 2 )= 45 8 1 2 3 4 5 x 45 2 x 40 4 x 5 /( 2 x 45 2 5x 2 3 )=− 4 45
