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[主观题]
请读程序:# include<stdio.h>main(){int num=0;while(num<=2){num+ +;printf("%d\n",num);}}上面
请读程序: # include<stdio.h> main() {int num=0; while(num<=2) {num+ +;printf("%d\n",num);} } 上面程序的输出结果是 ()
A.1
B.1 2
C.1 2 3
D.1 2 3 4
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