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1 |
2 |
3 |
2 |
3 |
2 |
3 |
2 |
3 |
2 |
x |
2 |
3 |
2 |
1 |
2 |
x |
2 |
1 |
2 |
x |
2 |
3 |
2 |
x |
2 |
1 |
2 |
x |
2 |
x |
2 |
1 |
2 |
x |
2 |
1 |
2 |
x |
2 |
1 |
2 |
x |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
6 |
x |
3 |
2 |
6 |
x0 |
5 |
2 |
A.若l⊂α且α⊥β,则l⊥β | B.若l⊥β且m⊥β,则l∥m |
C.若l⊥β且α⊥β,则l∥α | D.若α∩β=m且l⊥m,则l⊥α |
A.0个 | B.1个 | C.2个 | D.3个 |
1 |
a |
1 |
b |
a |
b |
a+m |
b+m |
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