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...The art of problem solving pre test introduction to counting probability if you know basic algebra well enough solve problems below are ready for s book answers these on following page do not use a calculator linear equations sample questions find x b n simplifying fractions containing algebraic expressions reduce r addition and subtraction quotients with dierent denominators write each as single fraction in simplest terms mn m multiplication polynomials binomials expand y xy c hint http www artofproblemsolving com or nr aopsincorporated all rights reserved...