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怎样使1/2( )1/3( )1/4( )1/5（ )1/6括号里添加减乘除使这个式子最大?

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怎样使1/2( )1/3( )1/4( )1/5（ )1/6括号里添加减乘除使这个式子最大?
必须都填不一样的
怎样使1/2( )1/3( )1/4( )1/5（ )1/6括号里添加减乘除使这个式子最大?
答案：
(1/2) + (1/3) / (1/4) - (1/5) * (1/6) = 1.800000000
所有结果：
(1/2) + (1/3) * (1/4) - (1/5) / (1/6) = -0.6166666667
(1/2) * (1/3) + (1/4) - (1/5) / (1/6) = -0.7833333333
(1/2) - (1/3) / (1/4) + (1/5) * (1/6) = -0.7999999997
(1/2) * (1/3) - (1/4) / (1/5) + (1/6) = -0.9166666663
(1/2) - (1/3) * (1/4) / (1/5) + (1/6) = 0.2500000000
(1/2) / (1/3) * (1/4) - (1/5) + (1/6) = 0.3416666667
(1/2) - (1/3) + (1/4) / (1/5) * (1/6) = 0.3750000000
(1/2) - (1/3) / (1/4) * (1/5) + (1/6) = 0.4000000000
(1/2) / (1/3) * (1/4) + (1/5) - (1/6) = 0.4083333333
(1/2) - (1/3) + (1/4) * (1/5) / (1/6) = 0.4666666667
(1/2) + (1/3) - (1/4) * (1/5) / (1/6) = 0.5333333333
(1/2) + (1/3) / (1/4) * (1/5) - (1/6) = 0.6000000000
(1/2) + (1/3) - (1/4) / (1/5) * (1/6) = 0.6250000000
(1/2) * (1/3) / (1/4) - (1/5) + (1/6) = 0.6333333335
(1/2) * (1/3) / (1/4) + (1/5) - (1/6) = 0.7000000001
(1/2) + (1/3) * (1/4) / (1/5) - (1/6) = 0.7500000000
(1/2) * (1/3) - (1/4) + (1/5) / (1/6) = 1.116666667
(1/2) * (1/3) + (1/4) / (1/5) - (1/6) = 1.250000000
(1/2) / (1/3) - (1/4) + (1/5) * (1/6) = 1.283333333
(1/2) / (1/3) + (1/4) * (1/5) - (1/6) = 1.383333333
(1/2) / (1/3) - (1/4) * (1/5) + (1/6) = 1.616666667
(1/2) - (1/3) * (1/4) + (1/5) / (1/6) = 1.616666667
(1/2) / (1/3) + (1/4) - (1/5) * (1/6) = 1.716666667
(1/2) + (1/3) / (1/4) - (1/5) * (1/6) = 1.800000000
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