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[主观题]
有以下程序 int fun1 (double a){return a*=a;} int fun2 (double x,double y)
有以下程序 int fun1 (double a){return a*=a;} int fun2 (double x,double y) { double a=0,b=0; a=fun1(x);b=fun1(y); return(int)(a+b); } main() {double w;w=fun2(1.1,2.0);......} 程序执行后变量W中的值是______。
A.5.21
B.5
C.5
D.0
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