怎么解x-(20+1/2)=15
问题描述:
怎么解x-(20+1/2)=15
答
x-(20+1/2)=15
x=15+20+1/2
x=35.5或351/2
怎么解x-(20+1/2)=15
x-(20+1/2)=15
x=15+20+1/2
x=35.5或351/2