PProblem solving in mathematicsProblem solving in mathematicsde Thomas ButtsMateriasProblems, exercisesTheory of NumbersArithmeticNumber theoryEdiciones (1)Problem solving in mathematics (1973)Scott, Foresman and Co. · inglésMás obras de Thomas ButtsHarmonia sacraFFunctions and Algebraic MethodsFunctions and Algebraic MethodsPProstate Cancer : a Family AffairProstate Cancer : a Family Affair