计算:(2/3ab²-2ab)×1/2ab
问题描述:
计算:(2/3ab²-2ab)×1/2ab
答
(2/3ab²-2ab)×1/2ab
=1/3a²b³-a²b²
答
(2/3ab²-2ab)×1/2ab
=2ab(1/3b-1)×1/2ab
=1/3b-1
答
:(2/3ab²-2ab)×1/2ab
=1/3a^2b^3-a^2b^2