> 数学 >
(x-1)²=25/49,3(x-1)³+24=0
人气:462 ℃ 时间:2020-05-22 06:59:39
解答
(x-1)²=25/49
则:
x-1=5/7或x-1=-5/7
得:
x=12/7或x=2/7
3(x-1)³=-24
(x-1)³=-8
x-1=-2
x=-1
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版