A1B1 |
a |
A1D1 |
b |
A1A |
c |
B1M |
B1M |
B1A1 |
A1A |
AM |
B1A1 |
A1A |
1 |
2 |
AC |
B1A1 |
A1A |
1 |
2 |
AB |
AD |
a |
c |
1 |
2 |
a |
b |
1 |
2 |
a |
1 |
2 |
b |
c |
1 |
2 |
a |
1 |
2 |
b |
c |
OP |
OA |
OB |
A.0,0 | B.1,2 | C.0,1 | D.2,1 |
AB |
DC |
A.平行四边形 | B.菱形 | C.矩形 | D.正方形 |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
b |
c |
a |
c |
A.0 | B.1 | C.2 | D.3 |
MP |
MA |
MB |
A.x2+y2=1(x≥0) | B.x2+y2=1(y≥0) |
C.x2+(y-1)2=1(y≤1) | D.x2+(y-1)2=1(y≥1) |
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