6=0.21⼀(x-0.05)怎么算求步骤

2025-04-17 23:38:28
推荐回答(1个)
回答1:

6=0.21/(x-0.05)
6(x-0.05)=0.21
6x-0.3=0.21
6x=0.51
x=0.85