2ab |
a+b |
a+b |
2 |
|
2ab |
a+b |
a+b |
2 |
4ab-a2-2ab-b2 |
2(a+b) |
(a-b)2 |
2(a+b) |
2ab |
a+b |
a+b |
2 |
a+b |
2 |
|
a2+2ab+b2 |
4 |
a2+b2 |
2 |
-a2+2ab-b2 |
4 |
(a-b)2 |
4 |
a+b |
2 |
|
a+b |
2 |
|
a+b |
2 |
|
2ab |
a+b |
a+b |
2 |
|
AB |
AE |
AC |
AF |
1 |
λ |
4 |
μ |
x |
x2+4 |
x |
m |
y |
n |
A.13 | B.16 | C.11+6
| D.28. |
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