把5551四个数字用一次且仅用一次

5，5，5，1，四个数字用什么运算方式等

5*(5-1/5)=245*(5-(1/5))=245*(5-1/5)=245*(5-(1/5))=24(5-1/5)*5=24(5-(1/5))*5=24(5-1/5)*5=24(5-(1/5))*5=245*(5-1/5)=245*(5-(1/5))=245*(5-1/5)=245*(5-(1/5))=24(5-1/5)*5=24(5-(1/5))*5=24(5-1/5)*5=24(5-(1/5))*5=245*(5-1/5)=245*(5-(1/5))=245*(5-1/5)=245*(5-(1/5))=24(5-1/5)*5=24(5-(1/5))*5=24(5-1/5)*5=24...全部

  5*(5-1/5)=245*(5-(1/5))=245*(5-1/5)=245*(5-(1/5))=24(5-1/5)*5=24(5-(1/5))*5=24(5-1/5)*5=24(5-(1/5))*5=245*(5-1/5)=245*(5-(1/5))=245*(5-1/5)=245*(5-(1/5))=24(5-1/5)*5=24(5-(1/5))*5=24(5-1/5)*5=24(5-(1/5))*5=245*(5-1/5)=245*(5-(1/5))=245*(5-1/5)=245*(5-(1/5))=24(5-1/5)*5=24(5-(1/5))*5=24(5-1/5)*5=24(5-(1/5))*5=24。
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