則:20002-1=2001×1999,(20002-1)÷1999=2001,2000×1998=19992-1,
(1999.8-1998.8)÷1999×2000
1998 |
1999 |
1 |
2000 |
=
1 |
1999 |
1998 |
1999 |
=(
1 |
1999 |
1 |
1999 |
1998 |
1999 |
=(
2000 |
1999 |
1998 |
1999×1999 |
=
20002 |
1999 |
1998×2000 |
19992 |
=
2001×1999+1 |
1999 |
19992?1 |
19992 |
=2001+
1 |
1999 |
1 |
19992 |
=2002+
1 |
1999 |
1 |
19992 |
因為
1 |
1999 |
1 |
19992 |
所以原式的整數(shù)部分是2002;
故答案為:2002.