представте трехчлен в виде квадрата двучлена 


p^2-1,2p+0,36


36m^2+n^2+12mn


-12ab+9a^2+4b^2


 


 


  Упростите выражение


(a+2b)^2-3ab


(5x-y)^2+10xy


(-0,5c+d^2)+cd


(-x-y)^2-2xy 

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