5 4 3 2 1 加减乘除怎样等于2

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5 4 3 2 1 加减乘除怎样等于2
5 4 3 2 1 加减乘除怎样等于2

5 4 3 2 1 加减乘除怎样等于2
(5+4)/3-2+1
(5-4)*3-2+1
5-4+3-2/1
…………

(5-4+3-2)*1=2

5-4+3-2*1=2

(5-4)(3-2+1)=2

5-4+3/(2+1)

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