8分之3:16分之9
=6:9
=2:3
比值=2/3
39:14分之13
=42:1
比值=42
8分之3:16分之9,39:14分之13求比值的过程
8分之3:16分之9,39:14分之13求比值的过程
数学人气:630 ℃时间:2019-12-11 18:21:00
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