设F，G都是4阶方阵，且https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/9e4118a038754e759762167b0732cca0.png
举一反三
- 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">
- 设EI为常数，图示刚架支座C点的水平位移为（ ）。<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/2dea6754bc2a40df98d40ddc4d88e4ee.png"/> A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/876c3a939abd447fae12277cbbdf2885.png"/> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/9452dbf33f1b42bab8d279978b5294d8.png"/> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/c86de891367447249efb95cf363ee7cf.png"/> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/ba048b2d5eb149fbbe5a7b419903ef5b.png"/>
- 设，为n阶方阵的伴随阵、逆矩阵，则（ )https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/9642423ef3774c65b6e247e2ce40b223.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" />
- 线、面相交正确的投影图正确是 （ ） A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/347921ea188e4488849c59bcab8d0de8.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/8b5ae8a84e6d4de492bc48ed34745c9c.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/f17e955e47a14fb8a5ca410f28eb60d7.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/db67dba91b6846739c0439391bf502dc.png" />