科普 5551怎么算等于24 来源:趣秒懂 1.96W 5 × (5 - 1 ÷ 5)=245 × (5 - (1 ÷ 5))=24(5 - 1 ÷ 5) × 5=24(5 - (1 ÷ 5)) × 5=24 5551 等于