3 7 х 7 5 7 4 July 8, 2019 16 32 64 128 3 7 * 7 5 7 4 3 x )+ 7 )- 5 )+ 4 )- 7 2 7 3 x 7 5 4 5 x 7 = 35 4 3 - ( х + 5 7) (3 7+х)-6 5=4 7
