- Математика
- 35.15. 1) (522 - 6k)2 – (522
35.15. 1) (522 - 6k)2 – (522 + 3k)2 + 90z4k = 27k2; 2) (mº - nº) (m? + n^)- mº(m” – nº)- mºn? =-nº;
3) (1,2x4 – 7y2) (1,2x4 + 7y) + 0,56x8 + 49y4 = 2x8;
4) (1,4a3 - 562) (1,4a3 + 562) - 2,96a6 + 2564 = -a6.
Если не сложно