Exercise arithmetic.fractions
Description
simplify fractions
Firsts
Rule simplify.enter Location [1,0] Term "Just (TCon arith1.divide [TNum 18,TCon arith1.minus [TCon arith1.divide [TNum 4,TNum 5],TCon arith1.divide [TNum 1,TNum 2]]])" Focus "Just (TCon arith1.divide [TNum 4,TNum 5])" Environment