(1-1/2+1/3-1/4+……+1/49-1/50)÷(1/26+1/27+……+1/50)=______
问题描述:
(1-1/2+1/3-1/4+……+1/49-1/50)÷(1/26+1/27+……+1/50)=______
答
1
(1-1/2+1/3-1/4+……+1/49-1/50)÷(1/26+1/27+……+1/50)=______
1