0.8/(4-x)=2.4求x等于几?
问题描述:
0.8/(4-x)=2.4求x等于几?
答
4-x=0.8÷2.4
x=4-1/3
x=3又2/3
0.8/(4-x)=2.4求x等于几?
4-x=0.8÷2.4
x=4-1/3
x=3又2/3