AC |
BE |
1 |
2 |
1 |
2 |
BC |
AD |
EC |
1 |
2 |
AB |
AC |
BE |
AD |
AB |
BC |
EC |
AD |
AB |
AD |
1 |
2 |
AB |
AD |
1 |
2 |
AB |
AD |
1 |
2 |
AB |
1 |
2 |
AB |
1 |
2 |
AB |
AB |
AB |
AB |
AB |
1 |
2 |
1 |
2 |
1 |
4 |
PB |
PC |
P0B |
P0C |
A.∠ABC=90° | B.∠BAC=90° | C.AB=AC | D.AC=BC |
MA |
MB |
A.
| B.
| C.
| D.2 |
OP |
OQ |
A.12 | B.16 | C.21 | D.25 |
a |
b |
a |
b |
12 |
5 |
a |
b |
y2 |
3 |
PA1 |
PF2 |
A.-2 | B.-
| C.1 | D.0 |
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