1:(12 × (6 + 4)) ÷ 52:12 × (6 + 4) ÷ 53:12 × ((6 + 4) ÷ 5)4:12 ÷ 5 ×(6 + 4)5:(12 ÷ 5) × (6 + 4)6:12 ÷ (5 ÷ (6 + 4))7:12 ÷ 5 ×(4 + 6)8:(12 ÷ 5) × (4 + 6)9:12 ÷ (5 ÷ (4 + 6))10:(12 × ...