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单选题阅读以下程序,则y=( ).x=[4,-9,25]; if x>=0 y=sqrt(x )else disp('some of the elements of x are negative.') end

A. 2.0000 3.0000 5.0000i

B. 2.0000 3.0000i 5.0000

C. some of the elements of x are negative

D. 2.0000 3.0000 5.0000

学科：默认课程

时间：2025-11-11 00:33:27

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