1999⼀(1999+1999⼀2000)怎样简便运算

2024-12-28 03:25:19
推荐回答(5个)
回答1:

1999/(1999+1999/2000)
=1999/[1999(1+1/2000)]
=1÷ (1+1/2000)
=1÷2001/2000
=2000/2001

如果帮到你,请记得采纳,O(∩_∩)O谢谢

回答2:

=1999/[1999×(1+1/2000)]
=1/(2001/2000)
=2000/2001

回答3:

1999/(1999+1999/2000)
同除1999得
1/(1+1/2000)
=2000/2001

回答4:

=1999/[1999×(1+1/2000)]
=1/(2001/2000)
=2000/2001

回答5:

小学5年级的奥数