(х-а) (х+у) (t+s) (b+k)
(a+2) (b-3)
(d-4) (t+5)

(a+z) (n-m)
(c-d) (x-y)
(4-b) (5+c)
(k-6) (7-d)

deniwolf200    3   22.10.2020 09:06    4