单项选择题
A. 1 B. 2 C. 3 D. 4
A.19 B.18 C.6 D.8
A. x=x*100+0.5/100.0 B. x=(x*100+0.5)/100.0 C. x=(int)(x*100+0.5)/100.0 D. x=(x/100+0.5)*100.0