来自姜彤的问题
mn2++s2o82-+h2o=mno4-+so42-+h+配平mn2++s2o82-+h2o=mno4-+so42-+h+配平!
mn2++s2o82-+h2o=mno4-+so42-+h+配平
mn2++s2o82-+h2o=mno4-+so42-+h+
配平!
![](/static/mobile/images/message.png)
![](/static/mobile/images/time.png)
mn2++s2o82-+h2o=mno4-+so42-+h+配平mn2++s2o82-+h2o=mno4-+so42-+h+配平!
mn2++s2o82-+h2o=mno4-+so42-+h+配平
mn2++s2o82-+h2o=mno4-+so42-+h+
配平!
2mn2++5s2o82-+8h2o=2mno4-+10so42-+16h+