问题
解答题
(1+
|
答案
(1+
)×(1-1 2
)×(1+1 2
)×(1-1 3
)×…×(1+1 3
)×(1-1 99
),1 99
=[(1+
)×(1+1 2
)×…×(1+1 3
)]×[(1-1 99
)×(1-1 2
)×…×(1-1 3
)],1 99
=[
×3 2
×…×4 3
]×[100 99
×1 2
×…×2 3
],98 99
=
×100 2
,1 99
=
.50 99
故答案为:
.50 99