南湖公园冰雕:一:1/8=1/( )+1/( )二:1/10=1/( )+1/( )三:1/12=1/( )+1/( )+1/( )

来源:百度文库 编辑:杭州交通信息网 时间:2024/04/28 05:11:45

1/8=1/16+1/16
1/10=1/20+1/20
1/12=1/36+1/36+1/36
其实还有很多种分解方法,在此就不列出来了

1/8=1/16+1/16=1/12+1/24=1/10+1/(40)=1/9+1/72
1/10=1/20+1/20=1/15+1/30=1/12+1/60=1/11+1/110
根据1/12=1/24+1/24=1/21+1/28=1/20+1/30=1/18+1/36=1/16+1/(48)=1/15+1/60=1/14+1/84=1/13+1/156
分解可得(解太多,恕不能全写出来,仅写几组)
1/12=1/24+1/36+1/72
=1/21+1/(42)+1/84
=1/20+1/(45)+1/90
=1/18+1/54+1/108
=1/16+1/72+1/144

支持二楼的!!