一、填空:(共25分)1、一个圆的周长是25.12厘米,它的面积是(50.24 )平方厘米.2、实际产量比原计划增产了20%,实际产量相当于原计划的( )%.3、9/11和10/11的比值是 ( ).化简比是( )4
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![一、填空:(共25分)1、一个圆的周长是25.12厘米,它的面积是(50.24 )平方厘米.2、实际产量比原计划增产了20%,实际产量相当于原计划的( )%.3、9/11和10/11的比值是 ( ).化简比是( )4](/uploads/image/z/224171-35-1.jpg?t=%E4%B8%80%E3%80%81%E5%A1%AB%E7%A9%BA%EF%BC%9A%EF%BC%88%E5%85%B125%E5%88%86%EF%BC%891%E3%80%81%E4%B8%80%E4%B8%AA%E5%9C%86%E7%9A%84%E5%91%A8%E9%95%BF%E6%98%AF25.12%E5%8E%98%E7%B1%B3%2C%E5%AE%83%E7%9A%84%E9%9D%A2%E7%A7%AF%E6%98%AF%EF%BC%8850.24+%EF%BC%89%E5%B9%B3%E6%96%B9%E5%8E%98%E7%B1%B3.2%E3%80%81%E5%AE%9E%E9%99%85%E4%BA%A7%E9%87%8F%E6%AF%94%E5%8E%9F%E8%AE%A1%E5%88%92%E5%A2%9E%E4%BA%A7%E4%BA%8620%EF%BC%85%2C%E5%AE%9E%E9%99%85%E4%BA%A7%E9%87%8F%E7%9B%B8%E5%BD%93%E4%BA%8E%E5%8E%9F%E8%AE%A1%E5%88%92%E7%9A%84%EF%BC%88+%EF%BC%89%EF%BC%85.3%E3%80%819%2F11%E5%92%8C10%2F11%E7%9A%84%E6%AF%94%E5%80%BC%E6%98%AF+%EF%BC%88+%EF%BC%89.%E5%8C%96%E7%AE%80%E6%AF%94%E6%98%AF%EF%BC%88+%EF%BC%894)
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