把0.5 0.5 0.58 0.585 0.588从小到大排列． ．
=10÷ = ÷0.3=．
==12÷ =≈ （保留两位小数）．
12÷ == %= 折=0.6．
= ：15=15÷ = %=0.6．
==8÷2==36÷ ．
0.5
=10÷ = ÷0.3=
．
=
=12÷ =
≈ （保留两位小数）．
= %= 折=0.6．
= ：15=15÷ = %=0.6．
=
=8÷2=
=36÷ ．
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