представьте трехчлен в виде квадрата двучлена:
1) 9a^2-2ab+16b^2=
3)25x^2+10x+1=
5)m^2+4n^2-4mn=
1) 9a^2-2ab+16b^2=
3)25x^2+10x+1=
5)m^2+4n^2-4mn=
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1) 9a²-24ab+16b²=(3a-4b)².2) 25х²+10х+1=(5х+1)².
5) m²+4n²-4mn=(m-2n)².