已知单项式3a^3x+y-zb^3c^x+y+z与-6a^4b^2x-yc^6是同类项

问题描述:

已知单项式3a^3x+y-zb^3c^x+y+z与-6a^4b^2x-yc^6是同类项
则xyz________

∵单项式3a^3x+y-zb^3c^x+y+z与-6a^4b^2x-yc^6是同类项
∴3x+y-z=4
2x-y=3
x+y+z=6
解得:x=2
y=1
z=3
∴xyz=2*1*3=6