计算:4x^3*x^4-x^9÷x^2
问题描述:
计算:4x^3*x^4-x^9÷x^2
答
4x^3*x^4-x^9÷x^2
=4x^7-x^7
=3x^7
计算:4x^3*x^4-x^9÷x^2
4x^3*x^4-x^9÷x^2
=4x^7-x^7
=3x^7