1.(3a²b的三次方)/(-ab的三次方)
=(3a^2b^3)/(-ab^3)
=-a
2.(-6a的四次方b²c)/3a的三次方b
=(-6a^4b^2c)/(3a^3b)
=-2abc
3.-12a的五次方b的三次方c/(-3a²b)
=-12a^5b^3c/(-3a^2b)
=4a^3b^2c .
1.(3a²b的三次方)/(-ab的三次方)
=(3a^2b^3)/(-ab^3)
=-a
2.(-6a的四次方b²c)/3a的三次方b
=(-6a^4b^2c)/(3a^3b)
=-2abc
3.-12a的五次方b的三次方c/(-3a²b)
=-12a^5b^3c/(-3a^2b)
=4a^3b^2c .