已知3x^5+ay^4与-5x^2y^b+1是同类项求带数值3^4-6a^3-4b^4+2ba^3
问题描述:
已知3x^5+ay^4与-5x^2y^b+1是同类项求带数值3^4-6a^3-4b^4+2ba^3
答
a=0
2+b+1=5
b=2
3a^4-6a^3-4b^4+2ba^3
=0-0-4x(2)^4+0
=-32答案上说是15