问题
解答题
(1+
|
答案
(1+
)×(1-1 2
)×(1+1 2
)×(1-1 3
)×…×(1+1 3
)×(1-1 100
)1 100
=
×3 2
×1 2
×4 3
×2 3
×5 4
×…×3 4
×101 100 99 100
=
×1 2
×3 2
×2 3
×4 3
×3 4
×…×5 4
×99 100 101 100
=
×1 2 101 100
=
.101 200