1) (3 - a)". (3 - a)10; 2) (x + y) . (x + y);
3) (25 - 3) . (26 - 3)23;
4) (fc + 2)" (c + 2)"
19
5) 4.
6) (9,2-k)15. (9,2-k)34.
.
t
3
3

Noa18    2   18.09.2021 05:09    0