Problem 예제.

Multiple Choice • Views 719 • Comments 0 • Last Updated at 3 months ago

그림의 신호 흐름 선도에서 $\dfrac{C}{R}$ 는?

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$\dfrac{ab}{1-b-abc}$

$\dfrac{ab}{1-ab+abc}$

$\dfrac{ab}{1-b+abc}$

$\dfrac{ab}{1+b-abc}$