整百数乘一位数,积是2400的乘法算式,你能写出几个?试试吧! × =2400 × =2400 × =2400 × =2400.
== %=1: = (填小数).
÷80=0.75= : == %= (填成数)
3: ===24÷ = %
10÷ == : = (小数)= %
:20==24÷ =80%