| OA |
| OB |
| OC |
| 0 |
| OC |
| AB |
A、-
| ||||
B、
| ||||
C、-
| ||||
D、
|
| OA |
| OB |
| OC |
| 0 |
| OA |
| OB |
| OC |
| OA |
| OB |
| OA |
| OB |
| OA |
| OB |
| OC |
| 0 |
| OC |
| AB |
| OA |
| AB |
| OB |
| AB |
| OC |
| AB |
| 1 |
| 5 |
| OC |
| AB |
| ||||
|
|
| OA |
| OB |
| OC |
| OA |
| OB |
| OC |
| 0 |
| OA |
| OB |
| OC |
| OA |
| OB |
| OA |
| OB |
| OC |
| OA |
| OB |
| OA |
| OB |
| OA |
| OB |
| OA |
| OB |
| OC |
| 0 |
| OC |
| OA |
| OB |
| OC |
| AB |
| OA |
| AB |
| OB |
| AB |
| 2 |
| 2 |
| OC |
| AB |
| 1 |
| 5 |
| OC |
| AB |
| ||||
|
|
-
| ||
|
| ||
| 10 |
科目:高中数学 来源: 题型:
| A、(0,2) |
| B、(1,4) |
| C、(-∞,-2)∪(1,+∞) |
| D、(-1,4) |
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科目:高中数学 来源: 题型:
| A、(-x,-y,-z) | ||||||
| B、(x,y,z) | ||||||
| C、(0,0,0) | ||||||
D、(
|
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科目:高中数学 来源: 题型:
| A、a=1,b=0 |
| B、a=1,b=0或a=-1,b=3 |
| C、a=-1,b=3 |
| D、以上答案均不正确 |
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