逻辑函数F(A,B,C)=AB+BC+AC的卡诺图为（ ）。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/7a8254757f8a4fc6ab82fa93a8e86ebf.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/229cbcade3654fb99c66a7c102ec046f.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/1c851f1288be499c92d2a7b40607bd1a.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/3b385269839a45df9645db71096c2e81.png" />

设f(x)连续函数，则=（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/d61df8d810544f27ada3ecb86c2d853a.png

是常微分方程。（ ）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/564a3d9bd0ed4a268e246fb606dca8a5.png

体心立方结构金属晶体的的密排面为（ ）， 密排面晶面间距为（ ）。 A: （110） B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/b9f806bad3874ceca9c758a3b0107652.png"> C: （111） D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/80eebcaaf36e4af084acf1e4d07e1acf.png"> E: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/dc64bdb4cb04403097873133316c57a8.png"> F: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/1b1c162777d04e51bd02eb8f92094b84.png">

逻辑函数F (A,B,C)=Σ m (0，1，4，6)的最简与非-与非式为（ ） A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/6677dfd1ca0a4255871fff8d24c1bfe1.png"/> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/5556e6fba4d849c988d994a19156d44a.png"/> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/6f296abd190d40b19f2f737f02c7adca.png"/> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/b2bf2478b09b4e6ab818d71adb4a8715.png"/>