问题:
A、scanf(“%d,%f”,&x,&y);printf(“\nx+y=%4.2f”,x+y);
B、scanf(“%d%f”,&x,&y);printf(“\nx+y=%4.2f”,x+y);
C、scanf(“%d%f”,&x.&y);printf(“\nx+y=%6.1f”,x+y);
D、scanf(“%d%3.1f”,&x,&y);printf(“\nx+y=%4.2f”,x+y);
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