OA |
OB |
OC |
OA |
OB |
OC |
0 |
OA |
OB |
OC |
AB |
AP |
BC |
BP |
CA |
CP |
OA |
OB |
OC |
0 |
OA |
OB |
OC |
OA |
OB |
OC |
OA |
OB |
OC |
OA |
OB |
OB |
OC |
OA |
OC |
AB |
AP |
BC |
BP |
CA |
CP |
OB |
OA |
OP |
OA |
OC |
OB |
OP |
OB |
OA |
OC |
OP |
OC |
OA |
OB |
OC |
OA |
OB |
OB |
OC |
OA |
OC |
OP |
AB |
e1 |
e2 |
e1 |
e2 |
OP |
e1 |
OQ |
e2 |
OP |
OQ |
A.m2+n2-mn | B.m2+n2+mn | C.(m+n)2 | D.(m-n)2 |
|
OP |
AP |
ON |
OM |
a |
b |
a |
b |
a |
b |
OA |
OB |
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