在( )中填入不同的自然数使等式成立:1⼀ ( )+1⼀( )+1⼀( )+1⼀( )=1

2025-02-26 06:56:02
推荐回答(3个)
回答1:

这样想:
1=1+(1/2-1/2)+(1/3-1/3)+(1/4-1/4)……… 重新组合
=(1-1/2)+(1/2-1/3)+1/4+(1/3-1/4)
=1/2+1/6+1/4+1/12

回答2:

1/ (2 )+1/( 4)+1/(6 )+1/(12 )=1

祝你开心

回答3:

1/ (2 )+1/( 2+2)+1/(2+2+2)+1/(12 )=1