51萝莉

The links to these instructional YouTube clips come from

 [length: 12m:42s]
This video details the process of multiplying and dividing monomials and powers with both the same base and with different bases.

 [length: 11m:47s]
This video details the process of simplifying exponents with fractions, variables, and negative exponents including examples involving multiplication and division of monomials.

 [length: 12m:37s]
This video explains how to simplify negative exponents in fractions with variables and parentheses.

[length: 12m:32s]
This video details how to simplify fractional exponents with variables and parentheses.

 [length: 11m:59s]
This video details how to solve exponential equations in quadratic form.

 [length: 10m:12s]
This video details how to graph basic exponential equations.

 [length: 10m:20s]
This video details a basic introduction to logarithms.  It explains the process of evaluating logarithmic expressions without a calculator.

 [length: 20m:55s]
This video details how to graph basic logarithm equations.

 [length: 32m:42s]
This video details how to factorise quadratic equations.