MN |
MP |
PM |
PF |
AF |
BF |
DF |
MN |
MP |
y |
2 |
PM |
PF |
PM |
PF |
PM |
y |
2 |
PF |
y |
2 |
p |
2 |
AF |
p |
2 |
BF |
p |
2 |
DF |
p |
2 |
AF |
BF |
DF |
y3-y1 |
x3-x1 |
y3-y1 | ||||||||
|
4 |
y1+y3 |
y1+y3 |
4 |
x1+x3 |
2 |
y1+y3 |
2 |
x1+x3 |
2 |
x2 |
a2 |
y2 |
b2 |
BP |
BM |
A.0<t<3 | B.0<t≤3 | C.0<t<
| D.0<t≤
|
x2 |
4 |
y2 |
5 |
1 | ||
|
1 | ||
|
A.4 | B.2 | C.1 | D.
|
x2 |
4 |
1 |
|MF1| |
1 |
|MF2| |
5 |
A.-3 | B.-4 | C.5 | D.6 |
© 2017-2019 超级试练试题库,All Rights Reserved.