电容器串联连接,C1=1µF,C2=2µF,C3=3µF则总容量为()
Given that tables T1 and T2 contain the following rows:
Table T1: C1 C2 1 4 1 3 1 2
Table T2: C1 C2 1 1 1 2 1 3
Which of the following queries will return only those rows that exist in both T1 and T2?()
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