单项选择题
A.9B.(1+2)*(1+2)C.5D.1+2*1+2
A.代码段1B.代码段2C.代码段1和代码段2都会被编译D.代码段1和代码段2都不会被编译
A.int x =fun(5,0);B.int x =fun();C.int y =fun(0);D.int y =fun(5);
A.void fun1(double x,double y,int z){......}B.void fun2(double x,double y){......}C.int fun1(int x,double y){......}D.double fun2(int x,int y){......}
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