□65÷5,商是三位数时,□里可以填 .
2.5÷ ==15: = %= (小数)
÷8==0.375=9÷ =;填质数:21= + ; = × .
= %=2÷ =四成.
14÷ == ÷ = (填小数)
= ÷12= (填小数).