化简:4√y平方/x+6√y²/9-(7√x+5√x²)
问题描述:
化简:4√y平方/x+6√y²/9-(7√x+5√x²)
答
4√y平方/x+6√y²/9-(7√x+5√x²)
=4y/x+2y/3-7√x-5x
=4y/x+2y/3-7√x-5x