350.
a) (1+y)(1+x)(1+y)(1+x)(1+y)(1+x)
б) (x+1)(a+1)(x+1)(a+1)(x+1)(a+1)
в) (x−1)(n+1)(x-1)(n+1)(x−1)(n+1)
г) (2+a)(c+1)(2+a)(c+1)(2+a)(c+1)
д) (3−y)(5+c)(3-y)(5+c)(3−y)(5+c)
