3,3,7,7的24点答案：1:(3 + 3 ÷ 7) × 72:(3 + (3 ÷ 7)) × 73:(3 ÷ 7 + 3) × 74:((3 ÷ 7) + 3) × 75:7 × (3 + 3 ÷ 7)6:7 × (3 + (3 ÷ 7))7:7 × (3 ÷ 7 + 3)8:7 × ((3 ÷ 7) + 3)