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Решение задачи #64386

(6ab²–a²b)² (5a⁴–2a²b⁴)²
(6ab2–a2b)2
(5a4–2a4b2)2
=a2b2(6b–a)2
a4(5a2–2b4)2
=b2(6b–a)2
a2(5a2–2b4)2