Do you want BuboFlash to help you learning these things? Or do you want to add or correct something? Click here to log in or create user.

People have a tendency to think that our number system was always there and was always as it is now. On some level, that’s true.
If you want to change selection, open document below and click on "Move attachment"


owner: Roy - (no access) - Idiot's Guides Basic Math and Pre-Algebra.pdf, p16


statusnot read reprioritisations
last reprioritisation on suggested re-reading day
started reading on finished reading on



Do you want to join discussion? Click here to log in or create user.