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python/数学课程/【一次函数】一次函数恒过定点问题.md
HuangHai 1f397eca87 'commit'
2025-08-30 18:35:01 +08:00

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答案：$x=-2$时，此时$k$就无用了，y=-2-1=-3

\therefore (-2,-3)