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最佳答案:class Triangle{private:x05double a;x05double b;x05double c;public:x05Triangle():
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最佳答案:1 a2 a3 d
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最佳答案:#include#includeusing namespace std;int main(){double a,b,c,m,s;coutb>>c;m=(a+b+
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最佳答案:#includeusing namespace std;class Triangle{public:Triangle(double a,double b,dou
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最佳答案:#includeusing namespace std;#define PI 3.1415926class container{public:double ra