Разложи многочлен kl + km + sl + sm на множители.
1) (l + k)(m + s)
2) (l – m)(k – s)
3) (l + m)(k + s)
1) (l + k)(m + s)
2) (l – m)(k – s)
3) (l + m)(k + s)
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Ответ:
Объяснение:
kl+km+sl+sm=(kl+km)+(sl+sm)=k(l+m)+s(l+m)=(l+m)(k+s)
kl+km+sl+sm=(kl+sl)+(km+sm)=l(k+s)+m(k+s)=(k+s)(l+m)