1:(3 + 3 ÷ 7) × 7=24 2:(3 + (3 ÷ 7)) × 7=24 3:(3 ÷ 7 + 3) × 7=24 4:((3 ÷ 7) + 3) × 7=24 5:7 × (3 + 3 ÷ 7)=24 6:7 × (3 + (3 ÷ 7))=24 7:7 × (3 ÷ 7 + 3)=24 8:7 × ((3 ÷ 7) + 3)=24