Разложите на многолчлен
1) 3a(b-1)-2c(b-1)+d(b-1)
2) 7c(r-s)+5k(r-s)+3n(r-s)
3) s(a+b+c)-t(a+b+c)+k(a+b+c)
4) 4z(m+n-k)+5y(m+n-k)-7x(m+n-k)
1) 3a(b-1)-2c(b-1)+d(b-1)
2) 7c(r-s)+5k(r-s)+3n(r-s)
3) s(a+b+c)-t(a+b+c)+k(a+b+c)
4) 4z(m+n-k)+5y(m+n-k)-7x(m+n-k)
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Answers & Comments
2)(r-s)(7c+5k+3n)
3)(a+b+c)(s-t+k)
4)(m+n+k)(4z+5y-7x)