2 5 40 July 8, 2019 16 32 64 128 2 5 * 400 2 5 * 4000 2 5 40 1 2 5 40 16 2 5 40 simplified 5 2 40kg 2 40 5 30 2 40x 5 2 40 5 20 5 2 40 x Is 2 5 40 percent 2 5 x 400 2 3x 5 )= 40 Ац 2 5 40 2 5 от 40000