如图,在平行六面体
中,
与
的交点为
,设
,
,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3adc4ed291596abf3bb93ae7a075d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e984585ddf28c039219afcebf229de7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8780f5b68f8907a57c1c2f96233a78c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7172f98409d5e4e520208ef8450f5d31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee477d164d38ff067fc4ce342cf6d380.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/30/4f98ea3f-6b15-4695-ae51-d544b057fa65.png?resizew=170)
A.1 | B.0 | C.![]() | D.2 |
更新时间:2023-11-30 10:35:33
|
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【推荐2】如图,在平行六面体ABCDA1B1C1D1中,已知
=a,
=b,
=c,则用向量a,b,c可表示向量
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe35c91649a5bea2518387a2b36e0c0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d036188ce294e3c7427d0b7d2294fd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe6c2a6bd48e459ddb61de5899e42391.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6361249877a88f60d4b3bb71ef7b5517.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/3/398aee6f-9d3e-4e7d-83b4-8b3beedeb53a.png?resizew=159)
A.a+b+c | B.a-b+c |
C.a+b-c | D.-a+b+c |
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【推荐1】如图,在平行六面体
中,M为
与
的交点,若
,
,
,则下列向量中与
相等的向量是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/23/8aceaecd-c5aa-44d7-9e51-1af8230e96bb.png?resizew=167)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cfbc0b5a8fbde804bd8425a4b76d207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7bd0c68dc80b3963f0dd7cc735e4c3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb95d089784702a0b6d459f18a4e1e72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22226e7f4eae1d4c37a74321b60f0870.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7a046d7060dc843c78af806ee24f556.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/23/8aceaecd-c5aa-44d7-9e51-1af8230e96bb.png?resizew=167)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,在平行六面体
中,
,
,
,
,
与
相交于点
.则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5441d73845911db1993bf903c4d8700f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf90bac174f02c4552e56df4d910bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f945a69cf7e8213e50622125cde652f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dee1f44f452b1c33496e3aacefdb365c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4195334905e2f190f958dbf5951456f8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/2/451f8ddf-0dc9-46ec-86dd-a063808b0545.png?resizew=209)
A.![]() | B.2 | C.![]() | D.![]() |
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