Gaokao Math Practice Question
函数 $y=\frac{1}{1-x}$ 的图象与函数 $y=2 \sin \pi x,(-2 \leqslant x \leqslant 4)$ 的图象所有交点 的横坐标之和等于 ($\qquad$)
- A.8
- B.6
- C.4
- D.2
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