x2 |
a2 |
y2 |
b2 |
AM |
BM |
1 |
2 |
AM |
BM |
|
2a2 |
a2+b2 |
2a2 |
a2+b2 |
2b2 |
a2+b2 |
a2 |
a2+b2 |
b2 |
a2+b2 |
1 |
2 |
b2 |
a2+b2 |
1 |
2 |
a2 |
a2+b2 |
2 |
c |
a |
| ||
2 |
1 |
2 |
|
|
3b |
5 |
4b |
5 |
x2 |
2 |
3 |
3 |
A.2:3 | B.4:9 | C.
| D.
|
A.
| B.3:1 | C.3
| D.9:1 |
A.20
| B.25
| C.50π | D.200π |
A.4
| B.32
| C.8
| D.16
|
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