急求解!!

急求解!!求解,,,快!!!
2024-12-27 10:53:42
推荐回答(2个)
回答1:

x=1.9或0.1

回答2:

(x-1)²=0.81
x-1=0.9,或x-1=-0.9
所以x=1.9,或x=0.1