4 x 1 7 9 July 8, 2019 16 32 64 128 3 4 x 1 7 9 6 3 4 x 1 7 9 4 1 5 x 1 7 9 3 3 4 х 1 7 9 2 4 5 x 1 7 9 4 x 7 )= 9 x 1 )+ 22 2 1 4 x 7 9 9 3 4 x 7 1 2 2 9x 7 4 x 1 7 1 7 x + 4 9 10 3 4 9 x 1 7 8 4 3x 1 )+ 7 x 2x 3 9x 4 9 7 3 x 1 5 9 1 4 x 7 1 4 in cm 1 2 7 9 x 4 2 5x