题目内容：
若函数y=f(x)有f.(x0)=1/2,则当△x→0时，该函数在x=x0处的微分dy等于( ).A) 2dx(B) 1/2dx
(C) dx
(D) 0
参考答案：
选择题：若函数y=f(x)有f.(x0)=1/2,则当△x→0时，该函数在x=x0处的微分dy等于( ).A
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- 题目类型：选择题
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(B) 1/2dx
(C) dx
(D) 0
(B) 1/2dx
(C) dx
(D) 0
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