=1 =2/1 =3/2/1 =4/3/2/1 问100!除以98!等于多少?

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=1 =2/1 =3/2/1 =4/3/2/1 问100!除以98!等于多少?

=1 =2/1 =3/2/1 =4/3/2/1 问100!除以98!等于多少?
=1 =2/1 =3/2/1 =4/3/2/1 问100!除以98!等于多少?

=1 =2/1 =3/2/1 =4/3/2/1 问100!除以98!等于多少?
9900

1