缩小1/1000就是去掉1/1000,即57.42-57.42*(1/1000)=57.36258
缩小1000倍是缩小到原来的1/1000,即57.42*(1/1000)=0.05742
57.42先缩小1/1000再扩大100倍就是
【57.42-57.42*(1/1000)】*100=5736.258
缩小1/1000就是去掉1/1000,即57.42-57.42*(1/1000)=57.36258
缩小1000倍是缩小到原来的1/1000,即57.42*(1/1000)=0.05742
57.42先缩小1/1000再扩大100倍就是
【57.42-57.42*(1/1000)】*100=5736.258