`Ctrl`+`Shift`+`Alt`+`M` doesn't work.
There is a solution ? 

[![mesh with reversed normals](https://i.stack.imgur.com/AvLdO.png)](https://i.stack.imgur.com/AvLdO.png)

I want select this faces :
[![enter image description here](https://i.stack.imgur.com/U6pN4.png)](https://i.stack.imgur.com/U6pN4.png)

Here's my .blend file:

[![](https://blend-exchange.giantcowfilms.com/embedImage.png?bid=2207)](https://blend-exchange.giantcowfilms.com/b/2207/)