把0.5 0.5 0.58 0.585 0.588从小到大排列. .
=12÷9=, 5===3.
: =9× =.
5: =20÷16=25: = %= (填小数)
35: =20÷16= %= (填小数)
甲数相当于乙数的,甲数与乙数的比是 ,乙数与甲数的比是 .