注意：此页面搜索的是所有试题
题目内容
（甘肃开放大学高等数学）
设f(x)在x0可导，则limh→0f(x0-3h)-f(x0)/3h=
<img src="data:image/png;base64,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" >
<img src="data:image/png;base64,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" >
参考答案