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用VB程序设计已知三角形三条边,求三角形面积

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用VB程序设计 已知三角形三条边,求三角形面积
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Public Function Area(a As Double,b As Double,c As Double) As DoubleIf a + b < c Or a + c < b Or b + c < a Then Exit FunctionDim s As Doubles = 0.5 * (a + b + c)a = s - ab = s - bc = s - cArea = Sqr(s ...
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