a |
b |
a |
b |
a |
b |
A.-19 | B.-
| C.
| D.19 |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
OA |
OB |
OA |
AB |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
c |
a |
b |
a |
c |
a |
b |
a |
b |
a |
b |
A.①② | B.③④ | C.①③ | D.②④ |
a |
b |
a |
b |
a |
b |
b |
c |
a |
c |
a |
b |
c |
b |
c |
a |
c |
a |
b |
c |
a |
b |
a |
c |
a |
b |
c |
a |
b |
a |
b |
a |
b |
a |
b |
a |
a |
b |
A.b=a3 | B.b=a3+
| ||||
C.(b-a3)(b-a3-
| D.|b-a3|+|b-a3-
|
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