> 数学 >
(x-1分之x²+5x) - (x²-x分之2x²+4x)求解释
人气:152 ℃ 时间:2020-05-20 15:40:09
解答
(x-1分之x²+5x) - (x²-x分之2x²+4x)
=(x²+5x)/(x-1)-(2x+4)/(x-1)
=(x²+3x-4)/(x-1)
=(x+4)(x-1)/(x-1)
=x+4
推荐
猜你喜欢
© 2025 79432.Com All Rights Reserved.
电脑版|手机版