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【判断题】
一个行列式中某一行(列)所有元素的公因子可以提到行列式符号的外边A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】AMPS
【简答题】10Mb/s 以太网的最短帧长是多少?为什么要规定最短帧长?如果要发送的数据帧小于最短帧长,如何处理?
【单选题】What would the amps be at 240 volts with an 8 ohm resistance?
A.
32.5 amps.
B.
25 amps.
C.
3 amps.
D.
30 amps.
【多选题】Which of the following statements is true about operational amplifiers? ( ) A) Op-amps are very high-gain DC amplifiers. B) Op-amps have very low output impedance. C) Op-amps have very high input imp...
A.
Op-amps are very high-gain DC amplifiers.
B.
Op-amps have very low output impedance.
C.
Op-amps have very high input impedance.
【单选题】What would the amps be at 240 volts with an 8 ohm resistance?
A.
32.5 amps
B.
25 amps
C.
1.5 amps
D.
30 amps
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