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
