13 5 1 2 x 4 July 8, 2019 16 32 64 128 13 4 2x 1 )= 5 x 2 1 2 x 5 x 13 x sin 49 5 x 1 )= 4x 2 x 13 1 2 5 4 x 8 13 1 2 x 5 x 13 x cos 49 4 5 1 2 x 3 13 8 13 1 2 5 4 x 13 10 13 4 2x 1 )= 5 x 2 resposta 1 13/15 х 5/8 x 2 2/7
