奥数分数简便方法求天才速解答
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/07 05:22:07
![奥数分数简便方法求天才速解答](/uploads/image/z/3170686-22-6.jpg?t=%E5%A5%A5%E6%95%B0%E5%88%86%E6%95%B0%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E6%B1%82%E5%A4%A9%E6%89%8D%E9%80%9F%E8%A7%A3%E7%AD%94)
xQMO0+/Nm-
cx0pP/pP44O&DqCOA4y<[`Αk|?67WVn٫2J6ǘMu[` zh +~#|09 jJIpS8H HH0ĖL06;mBJ\qAlaSU
&ZLpS'-R2] xAa7:G y>&zkB
5>\9hJS4m9"gӅBPa҃=D蘢
P~&%9
奥数分数简便方法求天才速解答
奥数分数简便方法求天才速解答
奥数分数简便方法求天才速解答
(1)原式=1-(1/3+1/6+1/10+1/15+……+1/5050)
=1-((1/3+1/6)+(1/10+1/15)+……+(1/4950+1/5050))
=1-(1/2+1/6+1/12+1/2550)
=1-(1-1/2+1/2-1/3+1/3-1/4+……+1/50-1/51)
=1-(1-1/51)
=1-50/51
=1/51