16JC1A: Revision - 2012 RI Promo paper

[vimeography id="654"] In this lesson, we revised various topics using the 2012 RI promos paper. [google-drive-embed url="https://docs.google.com/a/numberskill.com/uc?id=0BxwITqEcd3TEcEo4cUxGZFB3MmM&export=download" title="2012 RI promo - ans.pdf"...