一个七位数,它的百万位上是9,百位上是5,其余各位上都是0,这个数写作: ,读作: .
0.75= :8=15÷ =9: = %= 折.
:2= :5= %=24÷ .
0.375= ÷ = :16== %
27: =0.75== %
== %= :12.