(5又1/2-2.75)/[(2/7+2又1/2)*【5又4/11-0.8+2又7/11】回答

(5又1/2-2.75)/[(2/7+2又1/2)*【5又4/11-0.8+2又7/11】回答
(5又1/2-2.75)/[(2/7+2又1/2)*【5又4/11-0.8+2又7/11】
回答

(5又1/2-2.75)/[(2/7+2又1/2)*【5又4/11-0.8+2又7/11】回答
(11/2-11/4)/((2/7+5/2)*(59/11-4/5+29/11))=(11/4)/(39/14*36/5)=385/2808

学习这？ 是百合啊