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Объяснение:

1)(1/3a^2+3b)^2

2)(0,4a^2-8y^4)^2

3)(4m^10-n^6)^2

4)(a^3+3ab^2)^2

Ответ:

1)[tex](\frac{1}{3}a^{2} + 3b)^{2}[/tex]

2)[tex](0,4a^{2} - 8y^{4})^{2}[/tex]

3)[tex](4m^{10}-n^{6})^{2}[/tex]

4)[tex](a^{3} + 3ab^{2})^{2}[/tex]