-1x1/2=-1+1/2 -1/2x1/3=-1/2+1/3你发现的规律是:( ).
问题描述:
-1x1/2=-1+1/2 -1/2x1/3=-1/2+1/3你发现的规律是:( ).
答
-1/n x 1/(n+1)=-1/n + 1/(n+1)
-1x1/2=-1+1/2 -1/2x1/3=-1/2+1/3你发现的规律是:( ).
-1/n x 1/(n+1)=-1/n + 1/(n+1)