5.4除(x减0.75)等于4.5除3怎么解
问题描述:
5.4除(x减0.75)等于4.5除3怎么解
答
是除以还是除?
答
(x-0.75)÷5.4=3÷4.5
(x-0.75)=3/4.5×5.4
x-0.75=3.6
x=4.35