We can't say______.
A:something personal
B:personal something
C:anything personal
D:personal anything
如图所示,某同学用F=16N的平行于斜面的拉力将重为20N的物体匀速拉上长5m、高3m的斜面,对此,下列说法中正确的是( )
如果分式2-xx的值为0,那么x为( )
495×5 1800
504×6 2500
386×7 2400
290×8 1200
207×9 2800
318×4 3000