Gaokao Math Practice Question
2. (5 分) 设复数 $z$ 满足 $(1+i) \quad z=2 i$, 则 $|z|=(\quad)$
- A.$\frac{1}{2}$
- B.$\frac{\sqrt{2}}{2}$
- C.$\sqrt{2}$
- D.2
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