试一试,看你有几种填法.
0.27×( )=0.( )×( )=0.54
解:0.27×2=0.09×6=0.03×18=0.54等
He is organized and is often . I hope he will have more at his business.
如图,菱形OABC的顶点C的坐标为3,4,顶点A在x轴的正半轴上.反比例函数y=kxx>0的图象经过顶点B,则K的值为( )