(х-у)2 - х2-2ху+у2, (2х+у)2 - 4х2+4ху+у2, (5х-10у)2 - 25х2-100ху+100у2, (10х+5у)2 - 100х2+100ху+25у2, (3х2-2у)2 - 9х4-12х2у+4у2, (8 - 3у)2 - 64-48у+9у2, (8 + 3у)2 - 64+48у+9у2, (2х-у2)2 - 4х2-4ху2+у4, (3х+5)2 - 9х2+30х+25, (х+10у3)2 - х2+20ху3+100у6,

Квадрат суммы квадрат разности

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