24 REDUCE 36 = 40 REDUCE 48 = SIMPLIFY 8 9 X 15 16 = SIMPLIFY 3 4 X 20 = SIMPLIFY 18 27 X 10 15 = SIMPLIFY 1 6 X 42 = 1 SIMPLIFY 2 3 X 9 20 = SIMPLIFY 35 36 28 24 = SIMPLIFY 30 27 25 36 = SIMPLIFY 20 21 10 14 = 1 SIMPLIFY 1 8 3 3 4 = 10 3 SIMPLIFY 2 2 5 = 3 4 SIMPLIFY X 12 9 X 7 5 = X 21 40 45 12 SIMPLIFY X 15 16 X 9 21 = X 72 20 |