[分析题,4分] #include<iostream.h> void main() { int a=2,b=5,c=4; if(a+b>10)c=a*b;else c=3*a+b; if(c<=20) cout<<c*c;else cout<<4+c-5; cout<<endl; a=a+b;b=a+b;c=a+b+c; cout<<”a,b,c=”<<a<<’,’<<b<<’,’<<c<<endl; }

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