18.25*59/5-(17+1/4)/(1-54/59)简便计算
问题描述:
18.25*59/5-(17+1/4)/(1-54/59)简便计算
答
18.25*59/5-(17+1/4)/(1-54/59)
=18.25*59/5-(17+1/4)/(5/59)
=59/5*(18.25-17-0.25)
=59/5*1=59/5谢谢啦!