冀教版五年级数学上册口算练习
0.02 X0.5=3.6 +0.3=6.37= 5.6+ 100=0.75 +0.25=0.125 X8=4.80.3= 0.962=0.56 +28=0.360.4=0.64+ 0.8= 0.72
冀教版五年级数学上册口算练习