1 | ||||
|
a2+c2-b2 |
2ac |
a2+c2-ac |
2ac |
2ac-ac |
2ac |
1 |
2 |
π |
3 |
ac |
a+c |
2 |
6-b |
2 |
1 |
2 |
1 |
2 |
π |
3 |
3 |
BA |
BC |
a2+c2-b2 |
2 |
(6-b)2-3b2 |
2 |
1 | ||||
|
1 |
-(b+3)2+27 |
1 |
2 |
1 |
2 |
1 | ||||
|
1 |
2 |
3 |
A+B |
2 |
m |
n |
b |
3 |
m |
n |
m |
n |
m |
n |
m |
3 |
n |
B |
2 |
m |
n |
| ||
2 |
A.4(
| B.4(
| C.4(3-
| D.4(3+
|
1 | ||
4
|
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