下列逻辑表示式正确的是____。
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B:
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D:
A:
B:
C:
D:
举一反三
- 下列逻辑表示式正确的是 。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/94c2d9d3f8654db9a9533e4cb9d03865.png"> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/9877f3b3cbf2406680aac42fc3196a85.png"> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/dc0d7c1e1d5b49ccb46dcd9030f51916.png"> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/c82aa3b140eb4f9bbe3ace028bfb3e7a.png">
- 已知逻辑函数<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/db3f3ede53184bb3a37a766a36125eab.png" /> 与其相等的函数为 ____。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/b9f375a5635e41d6911d97ab27bfe708.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/bc54dac1e08f483e88b86be39ec320b1.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/da4ddc58a62f4f35b2fe27419d3e7023.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/9aea77b2ed814b77aed36f7301cd7625.png" />
- 下列极限中结果等于e的是（ ）. A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/38da1b07f5c0405ea6707c9e6594b6a5.png"> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/eb7113c864f6405080daa91020fb9b6c.png"> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/4513ad5298554e2eb426e127192851d8.png"> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/9f89daefa1f445e295834ce3daac84cf.png">
- 图示刚架的弯矩图中正确的是（）。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/96bab3bc877f45e6bc366a1ed24b02e3.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/233d0c9147694598ab60919b0ee7a246.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/f8e911921bb447bdb2e8216ff1bca5cf.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/5c0b8a15b9174de3b636c8ea8a2eb281.png" />
- 图示刚架的弯矩图中正确的是（）。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/9e0e3376473a4da185371f58ac37647e.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/860e38197af74aec8db44a11df45c324.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/6ef75cc1379348698b95f277eda55fdd.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/bc248bb6f0cd424eae6b1e66aeb87da6.png" />