根据108×26=2808,在 横线上填上合适的数.10.8× =2.808 28.08÷ =2.60.2808÷ =0.26 ×0.26=280.8.
12÷ = :20=0.6= %=.
:20=4: =0.8== %
÷12=12: =75%═ 小数.
5÷8=== :64= %
÷8==0.5= %= : .