1-(1+2/1-1+2+3/1-1+2+3+4/1-……-1+2+3+…100/1)=?
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![1-(1+2/1-1+2+3/1-1+2+3+4/1-……-1+2+3+…100/1)=?](/uploads/image/z/596389-13-9.jpg?t=1-%EF%BC%881%2B2%2F1-1%2B2%2B3%2F1-1%2B2%2B3%2B4%2F1-%E2%80%A6%E2%80%A6-1%2B2%2B3%2B%E2%80%A6100%2F1%EF%BC%89%3D%3F)
1-(1+2/1-1+2+3/1-1+2+3+4/1-……-1+2+3+…100/1)=?
1-(1+2/1-1+2+3/1-1+2+3+4/1-……-1+2+3+…100/1)=?
1-(1+2/1-1+2+3/1-1+2+3+4/1-……-1+2+3+…100/1)=?
(1994*1992+1)/1992*1992/1993
==(1994*1992+1)/1993
==((1993+1)*(1993-1)+1)/1993
==(1993^2)/1993
==1993