比大小(在横线上填上“>”“<”或者“=”)
960-80____900-80
—Lin Dan won the badminton game again.
—Yes. I think no one can do than him.
粗盐提纯实验中,搭建蒸发装置时,下述操作中应首先进行的是( )
6.23562356…的循环节是( )