a |
p |
q |
b |
p |
q |
p |
q |
a |
b |
A.1 | B.2 | C.3 | D.4 |
a |
p |
q |
b |
p |
q |
p |
q |
p |
q |
p |
q |
a |
b |
p |
q |
p |
q |
p |
p |
q |
q |
BC2 |
AB |
BC |
CB |
CA |
BC |
BA |
A.锐角三角形 | B.直角三角形 | C.钝角三角形 | D.等边三角形 |
OA |
OB |
e |
e |
2π |
3 |
a |
e |
e |
b |
e |
e |
a |
b |
a |
b |
c |
a |
c |
a |
b |
c |
OA |
OB |
OC |
0 |
OA |
OB |
OB |
OC |
A.钝角三角形 | B.直角三角形 | C.等边三角形 | D.等腰三角形 |
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