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1,-2,5-7将这四个数(每个数尽用一次进行加减乘除,使结果等于24的)

题目详情
1,-2,5 -7将这四个数(每个数尽用一次进行加减乘除,使结果等于24的)
▼优质解答
答案和解析
1*(-2*(-7-5))
(1*-2)*(-7-5)
(1--7)*(-2+5)
(1--7)*(5+-2)
((1*-7)-5)*-2
1*((-7-5)*-2)
(1*(-7-5))*-2
-2/(1/(-7-5))
(-2/1)*(-7-5)
-2*((1*-7)-5)
-2*(1*(-7-5))
(-2*1)*(-7-5)
(-2+5)*(1--7)
-2*(-7-(1*5))
-2*((-7/1)-5)
-2*((-7*1)-5)
((-2--7)*5)-1
-2*((-7-5)/1)
(-2*(-7-5))/1
-2*(-7-(5/1))
-2*((-7-5)*1)
(-2*(-7-5))*1
-2*(-7-(5*1))
(5+-2)*(1--7)
(5*(-2--7))-1
(-7-(1*5))*-2
((-7/1)-5)*-2
((-7*1)-5)*-2
(-7-5)/(1/-2)
((-7-5)/1)*-2
(-7-(5/1))*-2
((-7-5)*1)*-2
(-7-(5*1))*-2
(-7-5)*(1*-2)
((-7-5)*-2)/1
(-7-5)*(-2/1)
((-7-5)*-2)*1
(-7-5)*(-2*1)
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