3√xy分之2√x²y
问题描述:
3√xy分之2√x²y
答
2√x²y/ 3√xy
=2/3*√(x²y/xy)
=2/3*√x
=2√x/3
3√xy分之2√x²y
2√x²y/ 3√xy
=2/3*√(x²y/xy)
=2/3*√x
=2√x/3