函数定义域计算器
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x^2
x^{\msquare}
\log_{\msquare}
\sqrt{\square}
\nthroot[\msquare]{\square}
\le
\ge
\frac{\msquare}{\msquare}
\cdot
\div
x^{\circ}
\pi
\left(\square\right)^{'}
\frac{d}{dx}
\frac{\partial}{\partial x}
\int
\int_{\msquare}^{\msquare}
\lim
\sum
\infty
\theta
(f\:\circ\:g)
f(x)
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