• 2022-06-15
    电阻、电感并联电路,,则总电流等于7A。()
  • 举一反三

    内容

    • 0

      下列结论错误的是() A: 如果函数<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/18a10ebd75f54d9ba2de6c77fb99c56d.png">在点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3e7d8d0d9aba463faf8ba22335557789.png">处连续,则<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/18a10ebd75f54d9ba2de6c77fb99c56d.png">在点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3e7d8d0d9aba463faf8ba22335557789.png">处可导 B: 如果函数<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/18a10ebd75f54d9ba2de6c77fb99c56d.png">在点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3e7d8d0d9aba463faf8ba22335557789.png">处不连续,则<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/18a10ebd75f54d9ba2de6c77fb99c56d.png">在点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3e7d8d0d9aba463faf8ba22335557789.png">处不可导 C: 如果函数<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/18a10ebd75f54d9ba2de6c77fb99c56d.png">在点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3e7d8d0d9aba463faf8ba22335557789.png">处可导,则<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/18a10ebd75f54d9ba2de6c77fb99c56d.png">在点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3e7d8d0d9aba463faf8ba22335557789.png">处连续 D: 如果函数<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/18a10ebd75f54d9ba2de6c77fb99c56d.png">在点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3e7d8d0d9aba463faf8ba22335557789.png">处不可导,则<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/18a10ebd75f54d9ba2de6c77fb99c56d.png">在点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3e7d8d0d9aba463faf8ba22335557789.png">处也可能连续

    • 1

      ( )属于变形工具组 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/5c560845dbf2422c87ee3a5e67f68690.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/ba8211e54394467084e55d8c039638f3.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/8abd259feec748b6818447a3039e4b70.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3b82f4425c304802b45be795ab5bf7bf.png" />

    • 2

      中性水溶液是指( )。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/9bef71113e73499f9f3d9f877a0d07f3.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/315534da2fa24656b8ac34316eb43211.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/0f25c8c53d964d3290ee60bab0aa7fe7.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/0e9eca0e483743c787605572ed065b97.png" />

    • 3

      设<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/995e39f9a3eb4d63889fb16f7a71ab39.png" />此复合函数由( )简单函数复合而成。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/c05e1e0bb27a44ea9923d749b2a7590d.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/7f6ba3596d1d4a3a8fe2bccb09ef5923.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/47a1f97cbc454d3dad189540f3ae1209.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/61c1ed05a21b47528fcebcfe7ffe85f9.png" />

    • 4

      和逻辑式<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/6e44002682ae467796cf764f95bddba9.png" >表示不同逻辑关系的逻辑式是()。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/2ed596686e0b4888be3e30cf991d4790.png" > B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/106e515ddf2e4efaaadb70de431d11ca.png" > C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/61241e1bfc1a46c6bf504129ed8c500d.png" > D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/b6133dc7cf894cc586f45f7a945b8325.png" >