I will tell you how to use your blogger blog posts as a twit on your twitter account. And then use your twits from your twitter account to update your status on facebook. I am assuming that you already have a Blogger, Facebook and Twitter account.
Create an account on http://twitterfeed.com. After creating an account on twitterfeed, you will be able to access your twitterfeed dashboard where you can add feeds, in your case you will put in the feed of your blogger blog.
Simply need to log-in to your facebook account and then find the twitter facebook application. it will also ask you for permission to access your twitter account. Once inside the twitter application there will be an option at the top saying “allow twitter to update your status on facebook” just click on that and you are good to go.
That concludes this article titled How to connect Blogger, Facebook and Twitter