(-2xy²)三次方÷(-x分之4y²)×(-2y²分之x)怎么算?
问题描述:
(-2xy²)三次方÷(-x分之4y²)×(-2y²分之x)怎么算?
答
(-2xy²)三次方÷(-x分之4y²)×(-2y²分之x)
=-8x^3y^6×(-x/4y^2)×(-x/2y^2)
=-4x^5y^2