定积分等于( )
A:
B:
C:
D:
A:
B:
C:
D:
举一反三
- 下列( )不属于中心支撑。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202103/b7b36299d8fb49c58fa83ef9ce64a739.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202103/73633e9d8616459490af2a472a7f9649.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202103/af19ae1f1e1f42ddbd45522c9ddbbea7.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202103/11cef2be0b5b46f6a30e71db95fd8476.png" />
- 下列定积分大小关系正确的是( ) A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202103/6425a5641347401c96cfe410e9a49a6a.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202103/1a745dfce5354003a4b0b26edd8e2059.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202103/a953f9a57c264d6cb7b1e025a189af23.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202103/34dcf8af5beb4e5685097ef3fd73ae3d.png" />
- 逻辑函数<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202103/520c51d784294a05b7c0a58e9a006f8d.png" />的最小项之和表达式为( ) A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202103/b29de4567e024993be29cf0772062626.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202103/c828662b80bf46969b13b8c2e141d796.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202103/e89e7dff660747259c21fedcc7586e09.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202103/11fe1998fad740bba3df120af96ae8a9.png" />
- 逻辑函数<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202103/7a28ab990f564e25a47249ee94eb1f20.png" />的最简“与-或”表达式为( ) A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202103/13627d46b788407ea818c87bbc009fe0.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202103/5df5979516fe45758b8a1e4e729722a6.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202103/bab1ddffc2c24f4bbace96c67048e662.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202103/0b57d6e41e5242b2a1999a3beaf9b210.png" />
- 一元线性回归模型<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202103/08f92b38e98040ae8fae5a00cc3d58cf.png" />的经典假设包括( )。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202103/ef3467d1ca854d138e84f66981b5667c.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202103/396f61967f2d4bbcabcdd46becdad8d8.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202103/b178f5b4d9e147a382f0da1ce41e36de.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202103/493466511c304cafad3b3e0543a2ba73.png" />