a |
a |
a |
a |
b |
a |
b |
a |
b |
0 |
0 |
a |
a |
a |
e |
a |
a |
a |
e |
a |
b |
a |
b |
a |
b |
a |
b |
0 |
0 |
0 |
0 |
0 |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
e |
a |
b |
a |
e |
b |
e |
a |
b |
a |
b |
b |
a |
0 |
a |
b |
a |
b |
0 |
a |
b |
a |
b |
2 |
3 |
f(x1)f(x2) |
A.①③④ | B.②④ | C.①③ | D.③ |
a |
b |
c |
a |
c |
a |
c |
b |
c |
c |
a |
c |
A.2 | B.6 | C.5 | D.8 |
A.1个 | B.4个 | C.8个 | D.10个 |
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