6/(1-3/4) =241:(3 + 13) ÷ 4 × 6 2:((3 + 13) ÷ 4) × 6 3:(3 + 13) ÷ (4 ÷ 6) 4:(3 + 13) × 6 ÷ 4 5:((3 + 13) × 6) ÷ 4 6:(3 + 13) × (6 ÷ 4) 7:(6 × (3 + 13)) ÷ 4 8:6 × (3 + 13) ÷ 4 9:6 × ((...