苏教版五年级数学上册口算练习题24173

苏教版五年级数学上册口算练习题2.5÷5=0.012×100=0.005×40=50÷0.01=7.5×200=32.08+0.07=7.005-3.58=5÷0.005=1.8÷9=0.18÷0.9