两个电阻分别为4Ω、12Ω,串联时电阻值为Ω,并联时电阻值为Ω。
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The Prime Minister’s policy ________ many back benchers. (alien)
The sentence is the _______ unit of grammatical analysis. (maximize)
The incident sparked a __________ over human rights. (controversial)
He underwent three ________ operations on the abdomen in two weeks. (succession)