A
5.35. Көбейтуді орындаңдар:
1) (m+n)(т-п); 2) (q-p)(q+р);
4) (а-с)(c+a);
5) (x+y)(y-x);
7) (x+2)(2-х);
8) (1-a)(1+а);
10) (2x-3y) (2x+3y); 11) (8a+9b)(9b-8а);
3) (c-d)(d+с);
6) (у-5)(y+5);
9) (n-2m)(n+2m);
12) (5x+3y)(3y-5х).
көмек тесіндерші өтінем​
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