"2(x^2 1) 3" "((2x^3)^2 1)"

请输入您的数学问题…… "2(x^2-1) 3" "((2x^3)^2-1)"

问题

"2 (x^{2} - 1) 3"" ((2 x^{3})^{2} - 1) "

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