边长为的正三角形面积为,,当时,写出计算正三角形面积的算法,

边长为的正三角形面积为,当时,写出计算正三角形面积的算法,并画出程序框图.

答案

答案见解答过程


解析:

算法:

S1.

S2.

S3.输出

程序框图:

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