“微信扫一扫”进入题库练习及模拟考试
填空:
\( \frac{{x}^{2}}{{x}^{2}y}=\frac{(\hspace{0.33em}\hspace{0.33em}\hspace{0.33em}\hspace{0.33em}\hspace{0.33em}\hspace{0.33em}\hspace{0.33em})}{y}\)
参考答案:1
进入考试题库