> 数学 >
(-3a^2-9a^3b+12a^4b^2)/(-3a^2)=
RT
人气:255 ℃ 时间:2020-03-28 01:39:06
解答
(-3a^2-9a^3b+12a^4b^2)/(-3a^2)
=1+3ab-4a²b²
=-(4ab+1)(ab-1)
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版