1) (3а-2)(3а+2)
2) (5-1)(5+1)
3)(10а-о.5b)(10a+0,5b)
4)(x6-y)(x6+y)
5)(m3-n3)(m3+n3)
6)(x2-y2)(x2+y2)
1) (3а-2)(3а+2)
2) (5-1)(5+1)
3)(10а-о.5b)(10a+0,5b)
4)(x6-y)(x6+y)
5)(m3-n3)(m3+n3)
6)(x2-y2)(x2+y2)