S△C′BA′ |
S△C′BC |
m |
m+1 |
m |
m+1 |
1 |
K |
m |
m+1 |
1 |
k |
1 |
k-1 |
1 |
k-1 |
1 |
n-1 |
m |
m+1 |
m |
m+1 |
n |
n-1 |
mnk+1 |
(m+1)(n-1)(k-1) |
mnk+1 |
(m+1)(n-1)(k-1) |
x+6 |
x+2 |
x-2 |
x2-4 |
x-2 |
x2+2x |
x+3 |
x2+4x+4 |
3x+4 |
2 |
x2-4x+4 |
x-1 |
1 |
x-1 |
1 |
x |
1 |
y |
2x-3xy+2y |
x+2xy+y |
3-a |
2a-4 |
5 |
a-2 |
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