横线里最大能填几? ×5<42 70× <290 ×80<50013× <1 ÷2<1 40× <370.
÷ =20: ==0.8= %= 折.
0.25=12÷ == %= 成 .
3:2==15÷ = %= (填小数)
4÷ ==12.5%=3: =.
0.625= ÷40=40: == %.