1949*(1/63-1/2012)+63*(1/1949-1/2012)-2012*(1/1949+1/63)+3=?
1/2012-1)(1/2011-1)(1/2010-1)...(1/1949-1)=?
1949*(1/51-1/2000)+51*(1/1949-1/2000)=2000*(1/51-1/1949)
(1/1949-1)乘(1/1950-1)乘(1/1951-1)...(1/2011-1)乘(1/2012-1)得多少?
英语翻译1 中华人民共和国成立于1949年.China was built in 1949 year.2 2012年奥林
1、1949*2003+1952*2000+1955*1997+...+2003*1949=?
1949*(1/51-1/2000)+51*(1/1949-1/2000)-2000*(1/1949+1/51)
1949*(1/50-1/2000)+51*(1/1949-1/2000)-2000*(1/1949+1/51)+3
october 1 1949 october 1st 1949哪个正确
1949*(1/51-1/2000)+51*(1/1949-1/2000)+3
1949*2012/1949+1949*1949+1949*2012/1950+1950*1950+……+1949*20
1949x(1/51-1/2000)+51x(1/1949-1/2000)-2000X(1/1949+1/51)+3
1949x(1/51—1/2000)+51X(1/1949—1/2000)—2000X(1/1949+1/51)+3的计