4018 |
20102-2009×2011 |
6789012345 |
7890123456 |
6789012344 |
7890123455 |
2t |
(t+1)2-t(t+2) |
2t |
t2+2t+1-t2-2t |
x+1 |
y+1 |
x |
y |
x+1 |
y+1 |
x |
y |
xy+y |
(y+1)y |
x(y+1) |
(y+1)y |
y-x |
(y+1)y |
1 |
a-2000 |
1 |
b+2001 |
1 |
c-2002 |
1 |
d+2003 |
A.a>c>b>d | B.b>d>a>c | C.d>b>a>c | D.c>a>b>d |
10 |
7 |
10 |
3 |
A.255 | B.344 | C.533 | D.622 |
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