通过等效变换求下列系统的传递函数C(s)/R(s)（）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/93103f8f82a74bf8b89fa584692deddf.png
举一反三
- 下列函数中不是复合函数的是（ ） A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/852398e68ff74631bd3a10e9b908904b.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/b2421a13aeb94b93b18f4e7a67c2630f.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/f8c9b5fc3bc24e378a5013539240f424.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/78be77e785734fecbef1cc7dec213352.png" />
- 已知两个传递函数串联，则其等效变换正确的是（）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/ec773ca057584088aad305501b96ba4e.png
- 通过等效变换求下列系统的传递函数C(s)/R(s)（）。http://image...b89fa584692deddf.png
- 如图所示系统总的传递函数G(s)=C(s)/R(s)00a0应为（00a000a000a000a000a000a000a000a0）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/97d401da1e3e42389a91ebfd698b64cf.png
- 与y=x是同一个函数的是（ ） A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/f86ae5251f654e2883551f545dfe08e7.png"> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/9423178e08ad4e9dbdc9367e98a5ef51.png"> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/cdc5f4144cbb469ab64328415e12a732.png"> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/c040b4fc143f484587591e1bb39b7dfc.png">