new model question and answer of optional mathematics(grade 10)

convert mixed numbers to decimal | to convert an excel function to a regular math formula | exponential variables help | second order difference equation | how do you write a formula for subtracting? | simplifying algebra calculator | why use rational exponents instead of the radical sign

**Related topics:**convert mixed numbers to decimal | to convert an excel function to a regular math formula | exponential variables help | second order difference equation | how do you write a formula for subtracting? | simplifying algebra calculator | why use rational exponents instead of the radical sign