发布网友 发布时间:2023-10-10 18:12
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热心网友 时间:2024-11-23 01:49
(1/3)*(1/4)*(1/5)=1/60
(1/2)*(2/3)*(3/4)=1/4
(1/√2)*(√2/2)*(2/3)=1/3
(√17+√19)/(√2+√3)*(√17-√19)/(√3-√2)*(-2)/(3^3)=4/27
(7!/8!)*(4!/3!)*(5!/6!)=1/12