‍设x是double型变量，则能将x的值四舍五入保留到小数点后两位的表达式是。‏‍‏ A: (x*100.0+0.5)/100.0 B: (int)(x*100+0.5)/100.0 C: x*100+0.5/100.0 D: (x/100+0.5)*100.0

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2022-05-30 问题

‍设x是double型变量，则能将x的值四舍五入保留到小数点后两位的表达式是。‏‍‏ A: (x100.0+0.5)/100.0 B: (int)(x100+0.5)/100.0 C: x100+0.5/100.0 D: (x/100+0.5)100.0

2022-06-05 问题

基准试剂的含量范围为（） A: 99.95%~100.05% B: 99.9%-100.0% C: 99.0%-105.0% D: 99.5%-100.0%

2022-07-25 问题

在图示电路中,已知晶体管的;静态时,,。则电压放大倍数是 A: 100.0 B: -200.0 C: -80.0 D: -100.0

2022-06-19 问题

Math static method random generates a random double value in the range from 0.0 ( ) A: up to but not including 1.0 B: up to and including 100.0 C: up to but not including 100.0 D: up to and including 1.0

Math static method random generates a random double value in the range from 0.0 ( ) A: up to but not including 1.0 B: up to and including 100.0 C: up to but not including 100.0 D: up to and including 1.0

2022-05-26 问题

帝国大厦高（）米。 A: 350.0 B: 300.0 C: 100.0 D: 380.0

2021-04-14 问题

设变量n为float类型，m为int类型，则以下能实现将n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．n=（n100+0.5）/100.0 B．m=n100+0.5,n=m/100.0 C．n=n100+0.5/100.0 D．n=（n/100+0.5）100.0 请帮忙给出正确答案和分析，谢谢！

设变量n为float类型，m为int类型，则以下能实现将n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．n=（n*100+0.5）/100.0 B．m=n*100+0.5,n=m/100.0 C．n=n*100+0.5/100.0 D．n=（n/100+0.5）*100.0 请帮忙给出正确答案和分析，谢谢！

2022-06-05 问题