计算y/x²÷(﹣x/y)×x/y的结果是?
问题描述:
计算y/x²÷(﹣x/y)×x/y的结果是?
答
y/x²÷(﹣x/y)×x/y
=-y²/x³ *x/y
=-y/x²
计算y/x²÷(﹣x/y)×x/y的结果是?
y/x²÷(﹣x/y)×x/y
=-y²/x³ *x/y
=-y/x²