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2.4.2.1 判断零点个数或所在区间(一轮) ​

笔记 ​

picgo-2026-03-26-19-57-12

课件 ​

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例题 ​

答案picgo-2026-03-26-19-59-54picgo-2026-03-26-20-00-31picgo-2026-03-26-20-00-55

1 ​

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2 ​

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3 ​

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4 ​

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5 ​

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6 ​

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7 ​

picgo-2026-03-26-19-58-55

8 ​

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