1. 1) (a – y)(a + y)(a2 + y²); 2)(7x + 1)(7x - 1)(49x² + 1);
3) (x – 6y3)2 - (x + 6y3)2; 4)(8 + x')(8 - x) • (64 + xº);
*) (25x + y^)(5x + y)(5x - y); 6)(81a4 +1664)(962 +4a´)(4a2 - 964).​

DcPer11    3   18.02.2020 23:54    0