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【单选题】
设变量 float 类型, int 类型, 则以下能实现将 x 中的数值保留小数点后两位, 第三位进行四舍五入运算的表达式是 ( ) 。A.
x=(x*100+0.05)/100.0
B.
x=x*100+0.5/100.0
C.
m=x*100+0.5, x=m/100.0
D.
x=(x/100+0.5)*100.0
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反馈参考答案：
举一反三
【单选题】有两个调定压力分别为 5MPa 和 10MPa 的溢流阀并联在液压泵的出口,泵的出口压力为( )
A.
5MPa
B.
10 Mpa
C.
15 MPa
D.
20 MPa
【单选题】In a good bookshop ______.
A.
nobody takes any notice of you
B.
the assistant greets you in a friendly way
C.
you can always obtain the books you need
D.
you feel that you are in a music shop
【单选题】In a good bookshop ______.
A.
nobody notices you
B.
the assistant greets you in a friendly way
C.
you feel as if you were in a music shop
D.
you find yourself satisfied with browsing
【单选题】In a good bookshop ______.
A.
nobody takes any notice of you
B.
the assistant greets you in a friendly way
C.
you feel as if you are in a music shop
D.
you find yourself satisfied with browsing
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