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这个代码有错误 求大神改改！！！
#includeusing namespace std;
class Rectangle {public : Rectangle (float aa,float bb); float cc (); float ss ();private : float a,b;}Rectangle::Rectangle(float aa=0,float bb=0){ a=aa; b=bb;}float Rectangle::cc(){ return (a+b)*2;}float Rectangle::ss(){ return a*b;}int main(){ float a,b; cin>>a>>b; Rectangle rec(a,b); cout<}
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手机签到经验翻倍！
