How to Deal with this Captcha?

[ninny83]

http://www.xpmath.com/forums/register.php

Thanks

 

[mux76]

Randomly selects one of captcha, 25% success rate

 

[step85]

just randomly pressing with subsequent verification of the success

 

[ninny83]

Thank you!

How can I do this?

 

[Hungry Bulldozer]

How can I do this?

You can find all 4 these images in branch builder by the same parameter.
e.g. I've found it by height and than click one of the using macros random as match parameter.
take a look