[40.5-(2.1+X)÷0.3]×0.2=6.1则么做
题目
[40.5-(2.1+X)÷0.3]×0.2=6.1则么做
答案
[40.5-(2.1+X)÷0.3]×0.2=6.1
[40.5-7-(x÷0.3)]×0.2=6.1
[32.5-(x÷0.3)]×0.2=6.1
32.5-(x÷0.3)=30.5
-(x÷0.3)=30.5-32.5
-(x÷0.3)=-2
x=2×10/3
x=10/6
x=5/3
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
最新试题
热门考点