3) (t + s) (b + k);5)(a + 2) (6-3);7)(d - 4) (t - вопрос №142112183526374524 от maratsafa480 30.03.2023 02:47

Question

Алгебра: 3) (t + s) (b + k);5)(a + 2) (6-3);7)(d - 4) (t + 5);2) (a + c) (n - m);4) (c - d) (x - y);6) (4-6) (5 + c);8) (k-6) (7 - d).​

maratsafa480 · Answer

1.(х-а)(х+у)=х²+ху-ах-ау2.(a+c)(n-m)=an-am+cn-cm3.(t+s)(b+k)=tb+tk+sb+sk4.(c-d)(x-y)=cx-cy-dx+dy5.(a+2)(6-3)=6a-3a+12-6=3a+66.(4-6)(5+c)=20+4c-30-6c=-2c-107.(d-4)(t+5)=dt+5d-4t-208.(k-6)(7-d)=7k-kd-42+6d...

3) (t + s) (b + k);5)(a + 2) (6-3);7)(d - 4) (t + 5);2) (a + c) (n - m);4) (c - d) (x - y);6) (4-6) (5 + c);8) (k-6) (7 - d).​

3) (t + s) (b + k);
5)(a + 2) (6-3);
7)(d - 4) (t + 5);
2) (a + c) (n - m);
4) (c - d) (x - y);
6) (4-6) (5 + c);
8) (k-6) (7 - d).