She started algebra in September and did the above algebra in November 13, 2013, (about three months). Unlike conventional method mostly solve algebraic equations from left to right only, she solves algebraic equations from any position toward result.
We are all know that kids at 3 year old can learn any language easily, but few people know that kids also can learn math if we talk math to them more often, and if we know what we are doing.
The end.
$
4 year old doing algebra.
4 year old solving algebra equation
4 year old math whiz kid
4 year old math whiz kids.
4 year old algebra whiz kids.