(-2x立方)四次方÷(x的平方)的立方÷(-x六次方)的平方×(-7x)

问题描述:

(-2x立方)四次方÷(x的平方)的立方÷(-x六次方)的平方×(-7x)

(-2x^3)^4÷(x^2)^3÷(-x^3)^2×(-7x) =16x^12÷x^6÷x^6×(-7x) =16×(-7x) = -112x