GRE® heeeeeeeeeeeeeeeeeeelp pleeeeeeeeeeeeeeeeeeease

[Toefl Ibt]

Hi

I am really confused about the GRE

first I do not have a good skills for the math section, SO please can you guide me to the best book that deal with you as an elementry students !
and of course with a lot of examples

Second can you give me tips to improve my math skills

Just to let you know that I have cracking the TOEFL but it has only explanition with few examples so I feel it is difcult to just read without practice

I read that NOVA or bible is good book but I am wondered if it is start with you woth explnation for every thing as lessons

pleeeeeeeeeeeeeeeease

help me