( 13 + x1 + ((5 x^2)x^2 2)x^2 )

Введите вашу математическую задачу... ( -13 + x1 + ((5 - x^2)*x^2 - 2)*x^2 )

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( 13 + x1 + ((5 x^2)*x^2 2)*x^2 )