比x的0.5倍多13的数是21.25,x=(
问题描述:
比x的0.5倍多13的数是21.25,x=(
答
x=5.58
5.58*(1+0.5)+13=21.25
比x的0.5倍多13的数是21.25,x=(
x=5.58
5.58*(1+0.5)+13=21.25