Rozwiąż:
1) a*d²=
2) 3x²+3y²+3xy=
daje naj
1) a*d²=ad²
2) 3x²+3y²+3xy=3(x²+y²+xy)
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1) a*d²=ad²
2) 3x²+3y²+3xy=3(x²+y²+xy)