4х 7 3 4х 3 July 8, 2019 16 32 64 128 4х 3 6х 1 )- 7 4х 3 )= 10 4х 7 3х 5 )= 4 3 4х 7 5 3 7 4х 3 7 1 4х 4х х 2 )+ 3 4х 2 3 7 2х 4-3х 7
