身高1.2米的小马一定能趟过平均水深1.1米的小河. .(判断对错)
3÷ = :10==0.6.
= :20=75%
÷5.6=2÷ ==28: ≈ %.
=15÷ == (填小数)
=0.375= : =6÷ = %.