think

来源：学生作业帮助网编辑：六六作业网时间：2024/07/03 10:53:13

thinkthink think2（t-1）²+t=12（t-1）²+t-1=0(2t-1)(t-1)=0t-1=0或2t-1=0t1=1t2=½

think
think

think
2（t-1）²+t=1
2（t-1）²+t-1=0
(2t-1)(t-1)=0
t-1=0或2t-1=0
t1=1 t2=½

Think Think think think think think think think think think think think Think and think过去式 to think Quiet think think about 、think of 、think over 、think out , I think