x2 |
3 |
F1A |
F2B |
右1A |
右hB |
右1A |
B′右1 |
xh |
3 |
3 |
h |
c |
a |
| ||
|
| ||
3 |
h |
| ||
3 |
3
| ||
h |
| ||
3 |
3
| ||
h |
|
3 |
3 |
3
| ||
h |
3
| ||
h |
| ||
3 |
3
| ||
h |
| ||
3 |
3
| ||
h |
3
| ||
h |
3
| ||
h |
右1A |
B′右1 |
h |
h |
|
xh |
3 |
h |
h |
右1A |
右hB |
|
|
|
|
|
x2 |
25 |
y2 |
9 |
A.4个 | B.5个 | C.6个 | D.8个 |
x2 |
a2 |
y2 |
b2 |
. |
AB |
. |
OM |
x2 |
49 |
y2 |
24 |
x2 |
a2 |
y2 |
b2 |
2 |
3 |
A.
| B.
| C.
| D.
|
x2 |
m2 |
y2 |
n2 |
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