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y = x-1
Pergunta

功能

找到斜率
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求逆
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求导数
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对称性测试

测试关于原点的对称性
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测试关于 x 轴的对称性
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测试关于 y 轴的对称性
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解方程

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改写方程

以极坐标形式重写
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Gráfico

Graph