横线上最大能填几:70× <638 200× <1150 36× <200 45× <276.
÷20=6÷8=== :4.
÷10=0.8= : == %
÷ =0.375== :32= %
2:5= :10=10÷ = (填小数)
0.4= : =10: = :35= %