099-098 |
0八七八-0八七七 |
0七七43-0×0七七40-0七七0 |
0七七43+0七七40-0七七5 |
(2-1)×298 |
(2-1)×2100 |
298 |
2100 |
1 |
图 |
a3-2a2-a+2 |
a3+a2-a-1 |
(a+1)(a-1)(a-2) |
(a+1)(a-1)(a+1) |
a-2 |
a+1 |
2002 |
2003 |
(2-1)×298 |
(2-1)×2100 |
298 |
2100 |
1 |
图 |
a3-2a2-a+2 |
a3+a2-a-1 |
(a+1)(a-1)(a-2) |
(a+1)(a-1)(a+1) |
a-2 |
a+1 |
2002 |
2003 |